Chemical compounds

A compound selected from the group consisting of:

• wherein each X independently is selected from the group consisting of O and NRa;
• each Ra independently is selected from the group consisting of hydrogen, C1-C15 alkyl, C2-15 alkenyl, C2-15 alkynyl, C3-15 cycloalkyl, and aryl;
• and
• R1 is selected from the group consisting of unsubstituted or substituted:
• (i) C1-C15 alkyl,
• (ii) C2-15 alkenyl,
• (iii) C2-15 alkynyl,
• (iv) C1-C15 alkyl, wherein one or more carbon atom, including the carbon atom attached to the depicted ring, is replaced with a heteroatom selected from O, N, S, or Si, and wherein each N, S, or Si may be oxidized, and wherein the N may be quarternized,
• (v) C2-15 alkenyl, wherein one or more carbon atom, including the carbon atom attached to the depicted ring, is replaced with a heteroatom selected from O, N, S, or Si, and wherein each N, S, or Si may be oxidized, and wherein the N may be quarternized,
• (vi) C2-15 alkynyl, wherein one or more carbon atom, including the carbon atom attached to the depicted ring, is replaced with a heteroatom selected from O, N, S, or Si, and wherein each N, S, or Si may be oxidized, and wherein the N may be quarternized,
• (vii) C3-15 cycloalkyl,
• (viii) heterocyclyl,
• (ix) aryl, and
• (x) heteroaryl,
• or a stereoisomer, enantiomer, or tautomer thereof, or a veterinary or pharmaceutically acceptable salt thereof.

A compound of formula (III), (IV), or (V):

• wherein
• each Y independently is selected from the group consisting of hydrogen, C1-C6 alkyl, C2-6 alkenyl, and C2-6 alkynyl;
• each Z independently is selected from the group consisting of hydrogen, C1-C6 alkyl, C2-6 alkenyl, and C2-6 alkynyl;
• and
• each L independently is selected from the group consisting of —NR′SO2—, —CH2SO2NR′—, —NR′C(O)—, and —NR′C(O)NR′—,
• where each R′ and R1b independently is selected from the group consisting of hydrogen, deuterium, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, C3-C6 cycloalkyl, aryl, aryl-C1-C6 alkyl, aryl-C2-C6 alkenyl, aryl-C1-C6 alkynyl, heteroaryl, C1-C6 alkyl-heteroaryl, C2-C6 alkenyl-heteroaryl, C2-C6 alkynyl-heteroaryl, heteroaryl-C1-C6 alkyl, heteroaryl-C2-C6 alkenyl, heteroaryl-C1-C6 alkynyl, heterocyclyl-C1-C6 alkyl, heterocyclyl-C2-C6 alkenyl, and heterocyclyl-C1-C6 alkynyl,
• or a stereoisomer, enantiomer, or tautomer thereof, or a veterinary or pharmaceutically acceptable salt thereof.