Methods for inhibiting muscle atrophy

A pharmaceutical composition comprising a pharmaceutically acceptable carrier and a compound selected from (A) a compound having a structure represented by a formula:

• wherein R13a and R13b together comprise a cycle selected from:
• wherein Q11 is selected from N and CR13c;
• wherein Q12 is selected from N and CR13d
• wherein Q13 and Q14 are independently selected from CR13cR13d, O, S, and NR14c;
• wherein Q15 is selected from CR13cR13d, O, S, and NR14c;
• wherein Q16 is selected from N and CR13c;
• wherein Q17 and Q18 are independently selected from CR13cR13d, O, S, and NR14c;
• wherein R11 and R12 are independently selected from H and C1-C6 alkyl;
• wherein R13c, R13d, R13e, and R13f are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R14c is independently selected from H and C1-C6 alkyl;
• wherein R14a and R14b together comprise a cycle selected from:
• wherein each of Q19, Q20, Q21, Q22, Q23, Q24, and Q25 are independently selected from CR17aR17b, O, S, and NR18;
• wherein R16a and R16a are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R17a and R17b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R18 is independently selected from H and C1-C6 alkyl;
• wherein each R15 is independently selected from H and C1-C6 alkyl;
• wherein each n is independently selected from 0, 1, and 2;
• wherein m is selected from 1 and 2;
• and
• wherein p is selected from 1, 2 and 3;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (B) a compound having a structure represented by a formula:
• wherein each - - - represents a covalent bond selected from a single or double bond;
• wherein R21a, R21b, R21c, R21d, and R21e are independently selected from H, OH, O-Glucosyl, halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl, phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R22 is selected from H, OH, O-Glucosyl, halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R23a, R23b, R23c, and R23d are independently selected from H, OH, O-Glucosyl halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C20 alkyl, C1-C20 alkenyl, C1-C20 alkynyl, C1-C20 alkenynyl, C1-C20 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl, phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R15 is selected from H and C1-C6 alkyl;
• wherein Z is selected from O and S;
• and
• wherein Y is selected from O and S;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• wherein the compound does not have the structure:
• or
• (C) a compound having a structure represented by a formula:
• wherein R31a and R31b are independently selected from H, C1-C6 alkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R32a and R32b are independently selected from H, C1-C6 alkyl, OCl(OH)4Al2, OAl(OH)2, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl or taken together to form a double bond selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R32c and R32d are independently selected from H, C1-C6 alkyl, OCl(OH)4Al2, OAl(OH)2, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl or taken together to form a double bond selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R33a and R33b are independently selected from H, NR34aCONR34bR34c, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• and
• wherein R34a R34b and R34c are independently selected from H, C1-C6 alkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (D) a compound having a structure represented by a formula:
• wherein each - - - represents a covalent bond independently selected from a single or double bond, wherein valency is satisfied;
• wherein R41 is selected from NR48aR48b, ═O, ═S, C1-C6 alkoxy and hydroxyl;
• wherein R48a and R48b are independently selected from H, C1-C6 alkyl, C1-C6 heteroalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R42 is selected from H, C1-C6 alkoxy and hydroxyl;
• wherein R43 is selected from H and C1-C6 alkyl;
• wherein R44a and R44b are independently selected from are independently selected from H, hydroxyl, and C1-C6 alkoxy;
• wherein R47a and R47b are independently selected from are independently selected from H, hydroxyl, and C1-C6 alkoxy;
• wherein R45a and R45b together comprise a cycle selected from:
• wherein R49a is selected from H and C1-C6 alkyl;
• and
• wherein R49b and R49c are independently selected from H and C1-C6 alkyl, or taken together to form ═O;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (E) a compound having a structure represented by a formula:
• wherein R51 is selected from H, C1-C6 alkyl, COR53, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R53 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein Z51 is selected from O, S, and NR54;
• wherein R54 is selected from H, C1-C6 alkyl, COR55, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R55 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (F) a compound having a structure represented by a formula:
• wherein R61a and R61b independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R62a and R62b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R63a and R63b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, or taken together to form a group selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R64a and R64b are independently selected from H, OR67, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R65 is selected from H, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, COR66, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R66 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R67 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R15 is independently selected from H and C1-C6 alkyl;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (G) a compound having a structure represented by a formula:
• wherein is an covalent bond selected from a single bond and a double bond, wherein valency is satisfied, and R70 is optionally present;
• wherein n is 0 or 1;
• wherein R70, when present, is hydrogen;
• wherein R71a is selected from C1-C6 alkyl and —C(O)ZR82;
• wherein R71b is selected from C1-C6 alkyl, or wherein R71a and R71b are optionally covalently bonded and, together with the intermediate carbon, comprise an optionally substituted C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein one of R72a and R72b is —Z72, and the other is hydrogen, or R72a and R72b together comprise ═O;
• wherein each of R73a and R73b is independently selected from hydrogen, hydroxyl, C1-C6 alkyl, and C1-C6 alkoxyl, provided that R73a and R73b are not simultaneously hydroxyl, wherein R73a and R73b are optionally covalently bonded and, together with the intermediate carbon, comprise an optionally substituted C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein each of R74, R75, and R76 is independently selected from C1-C6 alkyl;
• wherein R77 is selected from C1-C6 alkyl, and —C(O)Z71R80;
• wherein R80 is selected from hydrogen and C1-C6 alkyl;
• wherein R78a and R78b are independently selected from hydrogen and C1-C6 alkyl;
• wherein each of R79a and R79b is independently selected from hydrogen and C1-C6 alkyl, C2-C6 alkenyl, and C2-C6 alkynyl, provided that R79a and R79b are not simultaneously hydrogen;
• or wherein R79a and R79b are covalently bonded and, along with the intermediate carbon, together comprise C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein R82 is selected from hydrogen and C1-C6 alkyl;
• wherein Z71 and Z72 are independently selected from —OR81— and —NR83—;
• wherein R83 and R83 are independently selected from hydrogen and C1-C4 alkyl;
• or, wherein Z71 and Z72 are independently N, R84 and R85 are covalently bonded and —NR84R85 comprises a moiety of the formula:
• wherein Y is selected from —O—, —S—, —SO—, —SO2—, —NH—, —NCH3—, or a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof, wherein the compound is present in an effective amount.

A kit comprising a compound selected from (A) a compound having a structure represented by a formula:

• wherein R13a and R13b together comprise a cycle selected from:
• wherein Q11 is selected from N and CR13c;
• wherein Q12 is selected from N and CR13d
• wherein Q13 and Q14 are independently selected from CR13cR13d, O, S, and NR14c;
• wherein Q15 is selected from CR13cR13d, O, S, and NR14c;
• wherein Q16 is selected from N and CR13c;
• wherein Q17 and Q18 are independently selected from CR13cR13d, O, S, and NR14c;
• wherein R11 and R12 are independently selected from H and C1-C6 alkyl;
• wherein R13c, R13d, R13e, and R13f are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R14c is independently selected from H and C1-C6 alkyl;
• wherein R14a and R14b together comprise a cycle selected from:
• wherein each of Q19, Q20, Q21, Q22, Q23, Q24, and Q25 are independently selected from CR17aR17b, O, S, and NR18;
• wherein R16a and R16a are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R17a and R17b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R18 is independently selected from H and C1-C6 alkyl;
• wherein each R15 is independently selected from H and C1-C6 alkyl;
• wherein each n is independently selected from 0, 1, and 2;
• wherein m is selected from 1 and 2;
• and
• wherein p is selected from 1, 2 and 3;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (B) a compound having a structure represented by a formula:
• wherein each - - - represents a covalent bond selected from a single or double bond;
• wherein R21a, R21b, R21c, R21d, and R21e independently selected from H, OH, O-Glucosyl, halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl, phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R22 is selected from H, OH, O-Glucosyl, halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R23a, R23b, R23c, and R23d are independently selected from H, OH, O-Glucosyl halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C20 alkyl, C1-C20 alkenyl, C1-C20 alkynyl, C1-C20 alkenynyl, C1-C20 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl, phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R15 is selected from H and C1-C6 alkyl;
• wherein Z is selected from O and S;
• and
• wherein Y is selected from O and S;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• wherein the compound does not have the structure:
• or
• (C) a compound having a structure represented by a formula:
• wherein R31a and R31b are independently selected from H, C1-C6 alkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R32a and R32b are independently selected from H, C1-C6 alkyl, OCl(OH)4Al2, OAl(OH)2, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl or taken together to form a double bond selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R32c and R32d are independently selected from H, C1-C6 alkyl, OCl(OH)4Al2, OAl(OH)2, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl or taken together to form a double bond selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R33a and R33b are independently selected from H, NR34aCONR34bR34c, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• and
• wherein R34a R34b and R34c are independently selected from H, C1-C6 alkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof, or
• (D) a compound having a structure represented by a formula:
• wherein each - - - represents a covalent bond independently selected from a single or double bond, wherein valency is satisfied;
• wherein R41 is selected from NR48aR48b, ═O, ═S, C1-C6 alkoxy and hydroxyl;
• wherein R48a and R48b are independently selected from H, C1-C6 alkyl, C1-C6 heteroalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R42 is selected from H, C1-C6 alkoxy and hydroxyl;
• wherein R43 is selected from H and C1-C6 alkyl;
• wherein R44a and R44b are independently selected from are independently selected from H, hydroxyl, and C1-C6 alkoxy;
• wherein R47a and R47b are independently selected from are independently selected from H, hydroxyl, and C1-C6 alkoxy;
• wherein R45a and R45b together comprise a cycle selected from:
• wherein R49a is selected from H and C1-C6 alkyl;
• and
• wherein R49b and R49c are independently selected from H and C1-C6 alkyl, or taken together to form ═O;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (E) a compound having a structure represented by a formula:
• wherein R51 is selected from H, C1-C6 alkyl, COR53, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R53 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein Z51 is selected from O, S, and NR54;
• wherein R54 is selected from H, C1-C6 alkyl, COR55, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R55 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (F) a compound having a structure represented by a formula:
• wherein R61a and R61b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R62a and R62b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R63a and R63b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, or taken together to form a group selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R64a and R64b are independently selected from H, OR67, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R65 is selected from H, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, COR66, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R66 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R67 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R15 is independently selected from H and C1-C6 alkyl;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof, or
• (G) a compound having a structure represented by a formula:
• wherein - - - is an covalent bond selected from a single bond and a double bond, wherein valency is satisfied, and R70 is optionally present;
• wherein n is 0 or 1;
• wherein R70, when present, is hydrogen;
• wherein R71a is selected from C1-C6 alkyl and —C(O)ZR82;
• wherein R71b is selected from C1-C6 alkyl, or wherein R71a and R71b are optionally covalently bonded and, together with the intermediate carbon, comprise an optionally substituted C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein one of R72a and R72b is —Z72, and the other is hydrogen, or R72a and R72b together comprise ═O;
• wherein each of R73a and R73b is independently selected from hydrogen, hydroxyl, C1-C6 alkyl, and C1-C6 alkoxyl, provided that R73a and R73b are not simultaneously hydroxyl, wherein R73a and R73b are optionally covalently bonded and, together with the intermediate carbon, comprise an optionally substituted C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein each of R74, R75, and R76 is independently selected from C1-C6 alkyl;
• wherein R77 is selected from C1-C6 alkyl, and —C(O)Z71R80;
• wherein R80 is selected from hydrogen and C1-C6 alkyl;
• wherein R78a and R78b are independently selected from hydrogen and C1-C6 alkyl;
• wherein each of R79a and R79b is independently selected from hydrogen and C1-C6 alkyl, C2-C6 alkenyl, and C2-C6 alkynyl, provided that R79a and R79b are not simultaneously hydrogen;
• or wherein R79a and R79b are covalently bonded and, along with the intermediate carbon, together comprise C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein R82 is selected from hydrogen and C1-C6 alkyl;
• wherein Z71 and Z72 are independently selected from —OR81— and —NR83—;
• wherein R83 and R83 are independently selected from hydrogen and C1-C4 alkyl;
• or, wherein Z71 and Z72 are independently N, R84 and R85 are covalently bonded and —NR84R85 comprises a moiety of the formula:
• wherein Y is selected from —O—, —S—, —SO—, —SO2—, —NH—, —NCH3—, or a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof, and one or more of:
• a) at least one agent known to treat muscle atrophy in an animal;
• b) at least one agent known to decrease the risk of obtaining muscle atrophy in an animal;
• c) at least one agent known to have a side effect of muscle atrophy;
• d) instructions for treating muscle atrophy;
• or
• e) at least one anabolic agent.

A method for identifying a compound that inhibits muscle atrophy when administered in a therapeutically effective amount to a mammal in need of treatment thereof, the method comprising the steps of:

• (i) selecting a candidate compound;
• (ii) determining the effect of the candidate compound on a cell's expression levels of a plurality of induced mRNAs and/or repressed mRNAs of a Muscle Atrophy Signature,
• wherein the candidate compound is identified as suitable for muscle atrophy inhibition if:
• (a) more than one of the induced mRNAs of the Muscle Atrophy Signature are down regulated, compared to expression levels of the induced mRNAs of the Muscle Atrophy Signature in the same type of cell in the absence of the candidate compound, and/or
• (b) more than one of the repressed mRNAs of the Muscle Atrophy Signature are up regulated, compared to expression levels of the repressed mRNAs of the Muscle Atrophy Signature in the same type of cell in the absence of the candidate compound

A method of lowering blood glucose in an animal comprising administering to the animal an effective amount of a composition comprising ursolic acid, ursolic acid analogs or betulininc acid analogs and a compound having a structure represented by a formula:

• wherein each - - - represents a covalent bond selected from a single or double bond;
• wherein R21a, R21b, R21c, R21d, and R21e are independently selected from H, OH, O-Glucosyl, halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl, phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R22 is selected from H, OH, O-Glucosyl, halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R23a, R23b, R23c, and R23d are independently selected from H, OH, O-Glucosyl halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C20 alkyl, C1-C20 alkenyl, C1-C20 alkynyl, C1-C20 alkenynyl, C1-C20 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl, phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R15 is selected from H and C1-C6 alkyl;
• wherein Z is selected from O and S;
• and
• wherein Y is selected from O and S;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• wherein the compound does not have the structure:
• thereby lowering the blood glucose in the animal.

A method of lowering blood glucose in an animal comprising administering to the animal an effective amount of a compound having a structure represented by a formula:

• wherein each - - - represents a covalent bond independently selected from a single or double bond, wherein valency is satisfied;
• wherein R41 is selected from NR48aR48b, ═O, ═S, C1-C6 alkoxy and hydroxyl;
• wherein R48a and R48b are independently selected from H, C1-C6 alkyl, C1-C6 heteroalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R42 is selected from H, C1-C6 alkoxy and hydroxyl;
• wherein R43 is selected from H and C1-C6 alkyl;
• wherein R44a and R44b are independently selected from are independently selected from H, hydroxyl, and C1-C6 alkoxy;
• wherein R47a and R47b are independently selected from are independently selected from H, hydroxyl, and C1-C6 alkoxy;
• wherein R45a and R45b together comprise a cycle selected from:
• wherein R49a is selected from H and C1-C6 alkyl;
• and
• wherein R49b and R49c are independently selected from H and C1-C6 alkyl, or taken together to form ═O;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof

A method of lowering blood glucose in an animal comprising administering to the animal an effective amount of a compound having a structure represented by a formula:

• wherein R61a and R61b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R62a and R62b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R63a and R63b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, or taken together to form a group selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R64a and R64b are independently selected from H, OR67, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R65 is selected from H, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, COR66, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R66 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R67 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R15 is independently selected from H and C1-C6 alkyl;
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof.

A method of facilitating tissue formation in vitro, the method comprising administering to the tissue a compound of the formula:

• (A) a compound having a structure represented by a formula:
• wherein R13a and R13b together comprise a cycle selected from:
• wherein Q11 is selected from N and CR13c;
• wherein Q12 is selected from N and CR13d
• wherein Q13 and Q14 are independently selected from CR13cR13d, O, S, and NR14c;
• wherein Q15 is selected from CR13cR13d, O, S, and NR14c;
• wherein Q16 is selected from N and CR13c;
• wherein Q17 and Q18 are independently selected from CR13cR13d, O, S, and NR14c;
• wherein R11 and R12 are independently selected from H and C1-C6 alkyl;
• wherein R13c, R13d, R13e, and R13f are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R14c is independently selected from H and C1-C6 alkyl;
• wherein R14a and R14b together comprise a cycle selected from:
• wherein each of Q19, Q20, Q21, Q22, Q23, Q24, and Q25 are independently selected from CR17aR17b, O, S, and NR18;
• wherein R16a and R16a are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R17a and R17b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R18 is independently selected from H and C1-C6 alkyl;
• wherein each R15 is independently selected from H and C1-C6 alkyl;
• wherein each n is independently selected from 0, 1, and 2;
• wherein m is selected from 1 and 2;
• and
• wherein p is selected from 1, 2 and 3;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (B) a compound having a structure represented by a formula:
• wherein each - - - represents a covalent bond selected from a single or double bond;
• wherein R21a, R21b, R21c, R21d, and R21e are independently selected from H, OH, O-Glucosyl, halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl, phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R22 is selected from H, OH, O-Glucosyl, halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R23a, R23b, R23c, and R23d are independently selected from H, OH, O-Glucosyl halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C20 alkyl, C1-C20 alkenyl, C1-C20 alkynyl, C1-C20 alkenynyl, C1-C20 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl, phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R15 is selected from H and C1-C6 alkyl;
• wherein Z is selected from O and S;
• and
• wherein Y is selected from O and S;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• wherein the compound does not have the structure:
• or
• (C) a compound having a structure represented by a formula:
• wherein R31a and R31b are independently selected from H, C1-C6 alkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R32a and R32b are independently selected from H, C1-C6 alkyl, OCl(OH)4Al2, OAl(OH)2, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl or taken together to form a double bond selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R32c and R32d are independently selected from H, C1-C6 alkyl, OCl(OH)4Al2, OAl(OH)2, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl or taken together to form a double bond selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R33a and R33b are independently selected from H, NR34aCONR34bR34c, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• and
• wherein R34a R34b and R34c are independently selected from H, C1-C6 alkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof, or
• (D) a compound having a structure represented by a formula:
• wherein each - - - represents a covalent bond independently selected from a single or double bond, wherein valency is satisfied;
• wherein R41 is selected from NR48aR48b, ═O, ═S, C1-C6 alkoxy and hydroxyl;
• wherein R48a and R48b are independently selected from H, C1-C6 alkyl, C1-C6 heteroalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R42 is selected from H, C1-C6 alkoxy and hydroxyl;
• wherein R43 is selected from H and C1-C6 alkyl;
• wherein R44a and R44b are independently selected from are independently selected from H, hydroxyl, and C1-C6 alkoxy;
• wherein R47a and R47b are independently selected from are independently selected from H, hydroxyl, and C1-C6 alkoxy;
• wherein R45a and R45b together comprise a cycle selected from:
• wherein R49a is selected from H and C1-C6 alkyl;
• and
• wherein R49b and R49c are independently selected from H and C1-C6 alkyl, or taken together to form ═O;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (E) a compound having a structure represented by a formula:
• wherein R51 is selected from H, C1-C6 alkyl, COR53, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R53 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein Z51 is selected from O, S, and NR54;
• wherein R54 is selected from H, C1-C6 alkyl, COR55, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R55 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (F) a compound having a structure represented by a formula:
• wherein R61a and R61b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R62a and R62b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R63a and R63b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, or taken together to form a group selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R64a and R64b are independently selected from H, OR67, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R65 is selected from H, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, COR66, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R66 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R67 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R15 is independently selected from H and C1-C6 alkyl;
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (G) a compound having a structure represented by a formula:
• wherein - - - is an covalent bond selected from a single bond and a double bond, wherein valency is satisfied, and R70 is optionally present;
• wherein n is 0 or 1;
• wherein R70, when present, is hydrogen;
• wherein R71a is selected from C1-C6 alkyl and —C(O)ZR82;
• wherein R71b is selected from C1-C6 alkyl, or wherein R71a and R71b are optionally covalently bonded and, together with the intermediate carbon, comprise an optionally substituted C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein one of R72a and R72b is —Z72, and the other is hydrogen, or R72a and R72b together comprise ═O;
• wherein each of R73a and R73b is independently selected from hydrogen, hydroxyl, C1-C6 alkyl, and C1-C6 alkoxyl, provided that R73a and R73b are not simultaneously hydroxyl, wherein R73a and R73b are optionally covalently bonded and, together with the intermediate carbon, comprise an optionally substituted C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein each of R74, R75, and R76 is independently selected from C1-C6 alkyl;
• wherein R77 is selected from C1-C6 alkyl, and —C(O)Z71R80;
• wherein R80 is selected from hydrogen and C1-C6 alkyl;
• wherein R78a and R78b are independently selected from hydrogen and C1-C6 alkyl;
• wherein each of R79a and R79b is independently selected from hydrogen and C1-C6 alkyl, C2-C6 alkenyl, and C2-C6 alkynyl, provided that R79a and R79b are not simultaneously hydrogen;
• or wherein R79a and R79b are covalently bonded and, along with the intermediate carbon, together comprise C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein R82 is selected from hydrogen and C1-C6 alkyl;
• wherein Z71 and Z72 are independently selected from —OR81— and —NR83—;
• wherein R83 and R83 are independently selected from hydrogen and C1-C4 alkyl;
• or, wherein Z71 and Z72 are independently N, R84 and R85 are covalently bonded and —NR84R85 comprises a moiety of the formula:
• wherein Y is selected from —O—, —S—, —SO—, —SO2—, —NH—, —NCH3—, or a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof, thereby facilitating tissue formation.

A method of testing for performance enhancing use of a tacrine analog, naringenin analog, allantoin analog, conessine analog, tomatidine analog, hippeastrine/ungerine analog or betulinic acid analog in an animal, the method comprising:

• (a) obtaining a biological test sample from the animal;
• and
• (b) measuring the amount of a compound selected from
• (A) a compound having a structure represented by a formula:
• wherein R13a and R13b together comprise a cycle selected from:
• wherein Q11 is selected from N and CR13c;
• wherein Q12 is selected from N and CR13d
• wherein Q13 and Q14 are independently selected from CR13cR13d, O, S, and NR14c;
• wherein Q15 is selected from CR13cR13d, O, S, and NR14c;
• wherein Q16 is selected from N and CR13c;
• wherein Q17 and Q18 are independently selected from CR13cR13d, O, S, and NR14c;
• wherein R11 and R12 are independently selected from H and C1-C6 alkyl;
• wherein R13c, R13d, R13e, and R13f are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R14c is independently selected from H and C1-C6 alkyl;
• wherein R14a and R14b together comprise a cycle selected from:
• wherein each of Q19, Q20, Q21, Q22, Q23, Q24, and Q25 are independently selected from CR17aR17b, O, S, and NR18;
• wherein R16a and R16a are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R17a and R17b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R18 is independently selected from H and C1-C6 alkyl;
• wherein each R15 is independently selected from H and C1-C6 alkyl;
• wherein each n is independently selected from 0, 1, and 2;
• wherein m is selected from 1 and 2;
• and
• wherein p is selected from 1, 2 and 3;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (B) a compound having a structure represented by a formula:
• wherein each - - - represents a covalent bond selected from a single or double bond;
• wherein R21a, R21b, R21c, R21d, and R21e are independently selected from H, OH, O-Glucosyl, halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl, phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R22 is selected from H, OH, O-Glucosyl, halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R23a, R23b, R23c, and R23d are independently selected from H, OH, O-Glucosyl halo, cyano, amino, nitro, nitroso, NHCOR15, C1-C20 alkyl, C1-C20 alkenyl, C1-C20 alkynyl, C1-C20 alkenynyl, C1-C20 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, acyl, phenyl-C1-C6 alkoxy, benzyl-C1-C6 alkoxy, and C1-C6 dialkylamino;
• wherein R15 is selected from H and C1-C6 alkyl;
• wherein Z is selected from O and S;
• and
• wherein Y is selected from O and S;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• wherein the compound does not have the structure:
• or
• (C) a compound having a structure represented by a formula:
• wherein R31a and R31b are independently selected from H, C1-C6 alkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R32a and R32b are independently selected from H, C1-C6 alkyl, OCl(OH)4Al2, OAl(OH)2, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl or taken together to form a double bond selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R32c and R32d are independently selected from H, C1-C6 alkyl, OCl(OH)4Al2, OAl(OH)2, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl or taken together to form a double bond selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R33a and R33b are independently selected from H, NR34aCONR34bR34c, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• and
• wherein R34a R34b and R34c are independently selected from H, C1-C6 alkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently are substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof, or
• (D) a compound having a structure represented by a formula:
• wherein each - - - represents a covalent bond independently selected from a single or double bond, wherein valency is satisfied;
• wherein R41 is selected from NR48aR48b, ═O, ═S, C1-C6 alkoxy and hydroxyl;
• wherein R48a and R48b are independently selected from H, C1-C6 alkyl, C1-C6 heteroalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R42 is selected from H, C1-C6 alkoxy and hydroxyl;
• wherein R43 is selected from H and C1-C6 alkyl;
• wherein R44a and R44b are independently selected from are independently selected from H, hydroxyl, and C1-C6 alkoxy;
• wherein R47a and R47b are independently selected from are independently selected from H, hydroxyl, and C1-C6 alkoxy;
• wherein R45a and R45b together comprise a cycle selected from:
• wherein R49a is selected from H and C1-C6 alkyl;
• and
• wherein R49b and R49c are independently selected from H and C1-C6 alkyl, or taken together to form ═O;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (E) a compound having a structure represented by a formula:
• wherein R51 is selected from H, C1-C6 alkyl, COR53, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R53 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein Z51 is selected from O, S, and NR54;
• wherein R54 is selected from H, C1-C6 alkyl, COR55, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R55 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• or
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (F) a compound having a structure represented by a formula:
• wherein R61a and R61b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R62a and R62b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R63a and R63b are independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, or taken together to form a group selected from ═O and ═S, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R64a and R64b are independently selected from H, OR67, C1-C6 alkyl, C1-C6 alkoxy, halo, hydroxyl, nitro, amino, cyano, NHCOR15, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R65 is selected from H, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, C1-C6 dialkylamino, COR66, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R66 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein R67 is selected from C1-C6 alkyl, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl, wherein C6-C10 aryl, C3-C10 cycloalkyl, C5-C9 heteroaryl, and C2-C9 heterocyclyl are independently substituted with 0, 1, 2, or 3 substituents selected from halogen, hydroxyl, cyano, amino, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 monohaloalkyl, C1-C6 polyhaloalkyl, C1-C6 alkylamino, and C1-C6 dialkylamino;
• wherein each R15 is independently selected from H and C1-C6 alkyl;
• a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof;
• or
• (G) a compound having a structure represented by a formula:
• wherein - - - is an covalent bond selected from a single bond and a double bond, wherein valency is satisfied, and R70 is optionally present;
• wherein n is 0 or 1;
• wherein R70, when present, is hydrogen;
• wherein R71a is selected from C1-C6 alkyl and —C(O)ZR82;
• wherein R71b is selected from C1-C6 alkyl, or wherein R71a and R71b are optionally covalently bonded and, together with the intermediate carbon, comprise an optionally substituted C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein one of R72a and R72b is —Z72, and the other is hydrogen, or R72a and R72b together comprise ═O;
• wherein each of R73a and R73b is independently selected from hydrogen, hydroxyl, C1-C6 alkyl, and C1-C6 alkoxyl, provided that R73a and R73b are not simultaneously hydroxyl, wherein R73a and R73b are optionally covalently bonded and, together with the intermediate carbon, comprise an optionally substituted C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein each of R74, R75, and R76 is independently selected from C1-C6 alkyl;
• wherein R77 is selected from C1-C6 alkyl, and —C(O)Z71R80;
• wherein R80 is selected from hydrogen and C1-C6 alkyl;
• wherein R78a and R78b are independently selected from hydrogen and C1-C6 alkyl;
• wherein each of R79a and R79b is independently selected from hydrogen and C1-C6 alkyl, C2-C6 alkenyl, and C2-C6 alkynyl, provided that R79a and R79b are not simultaneously hydrogen;
• or wherein R79a and R79b are covalently bonded and, along with the intermediate carbon, together comprise C3-C5 cycloalkyl or C2-C5 heterocycloalkyl;
• wherein R82 is selected from hydrogen and C1-C6 alkyl;
• wherein Z71 and Z72 are independently selected from —OR81— and —NR83—;
• wherein R83 and R83 are independently selected from hydrogen and C1-C4 alkyl;
• or, wherein Z71 and Z72 are independently N, R84 and R85 are covalently bonded and —NR84R85 comprises a moiety of the formula:
• wherein Y is selected from —O—, —S—, —SO—, —SO2—, —NH—, —NCH3—, or a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof
• in the test sample to determine whether a superphysiological amount of the compound is present in the test sample;
• wherein the superphysiological amount of the compound in the test sample is indicative of performance enhancing use of the compound.