Triazolopyridines and triazolopyrazines as lsd1 inhibitors

A method of treating cancer comprising administering to a patient a therapeutically effective amount of a compound of Formula I:

• or a pharmaceutically acceptable salt thereof, wherein:
• X is N or CRX;
• Y is (a) C═O and Z is NRZ or (b) Y is CR3 and Z is N;
• wherein the bond between Y and Z represented by is a single bond in the case of (a) and a double bond in the case of (b);
• Ring A is C6-10 aryl or 5-10 membered heteroaryl comprising carbon and 1, 2, 3, or 4 heteroatoms selected from N, O, and S, wherein said C6-10 aryl and 5-10 membered heteroaryl are each optionally substituted by 1, 2, 3, or 4 substituents independently selected from RA;
• Ring B is C6-10 aryl;
• 5-10 membered heteroaryl comprising carbon and 1, 2, 3 or 4 heteroatoms selected from N, O, and S;
• C3-10 cycloalkyl;
• or 4-10 membered heterocycloalkyl comprising carbon and 1, 2, 3 or 4 heteroatoms selected from N, O, and S;
• wherein said C6-10 aryl, 5-10 membered heteroaryl, C3-10 cycloalkyl, and 4-10 membered heterocycloalkyl are each optionally substituted by 1, 2, 3, or 4 substituents independently selected from RB;
• R1 is halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, Cy1, CN, ORa1, SRa1, C(O)Rb1, C(O)NRc1Rd1, C(O)ORa1, OC(O)Rb1, OC(O)NRc1Rd1, NRc1Rd1, NRc1C(O)Rb1, NRc1C(O)ORa1, NRc1C(O)NRc1Rd1, C(═NRe1)Rb1, C(═NRe1)NRc1Rd1, NRc1C(═NRe1)NRc1Rd1, NRc1S(O)Rb1, NRc1S(O)2Rb1, NRc1S(O)2NRc1Rd1, S(O)Rb1, S(O)NRc1Rd1, S(O)2Rb1, or S(O)2NRc1Rd1, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted with 1, 2, or 3 substituents independently selected from Cy1, halo, CN, ORa1, SRa1, C(O)Rb1, C(O)NRc1Rd1, C(O)ORa1, OC(O)Rb1, OC(O)NRc1Rd1, NRc1Rd1, NRc1C(o)Rb1, NRc1C(O)ORa1, NRc1C(O)NRc1Rd1, C(═NRe1)Rb1, C(═NRe1)NRc1Rd1, NRc1C(═NRe1)NRc1Rd1, NRc1S(O)Rb1, NRc1S(O)2Rb1, NRc1S(O)2NRc1Rd1, S(O)Rb1, S(O)NRc1Rd1, S(O)2Rb1, and S(O)2NRc1Rd1;
• R3 is H, halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, Cy2, CN, ORa2, SRa2, C(O)Rb2, C(O)NRc2Rd2, C(O)ORa2, NRc2Rd2, NRc2C(O)Rb2, NRc2C(O)ORa2, NRc2C(O)NRc2Rd2, C(═NRe2)Rb2, C(═NRe2)NRc2Rd2, NRc2C(═NRe2)NRc2Rd2 NRc2S(O)Rb2, NRc2S(O)2Rb2, NRc2S(O)2NRc2Rd2, S(O)Rb2, S(O)NRc2Rd2, S(O)2Rb2, or S(O)2NRc2Rd2, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted with 1, 2, or 3 substituents independently selected from Cy2, halo, CN, ORa2, SRa2, C(O)Rb2, C(O)NRc2Rd2, C(O)ORa2, OC(O)Rb2, OC(O)NRc2Rd2, NRc2Rd2, NRc2C(O)Rb2, NRc2C(O)ORa2, NRc2C(O)NRc2Rd2, C(═NRe2)Rb2, C(═NRe2)NRc2Rd2, NRc2C(═NRe2)NRc2Rd2, NRc2S(O)Rb2, NRc2S(O)2Rb2, NRc2S(O)2NRc2Rd2, S(O)Rb2, S(O)NRc2Rd2, S(O)2Rb2, and S(O)2NRc2Rd2;
• each RA is independently selected from halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, CN, NO2, ORa4, SRa4, C(O)Rb4, C(O)NRc4Rd4, C(O)ORa4, OC(O)Rb4, OC(O)NRc4Rd4, NRc4Rd4, NRc4C(O)Rb4, NRc4C(O)ORa4, NRc4C(O)NRc4Rd4, C(═NRe4)Rb4, C(═NRe4)NRc4Rd4, NRc4C(═NRe4)NRc4Rd4, NRc4S(O)Rb4, NRc4S(O)2Rb4, NRc4S(O)2NRc4Rd4, S(O)Rb4, S(O)NRc4Rd4, S(O)2Rb4, and S(O)2NRc4Rd4, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted by 1, 2, or 3, substituents independently selected from halo, C1-6 haloalkyl, CN, NO2, ORa4, SRa4, C(O)Rb4, C(O)NRc4Rd4, C(O)ORa4, OC(O)Rb4, OC(O)NRc4Rd4, NRc4Rd4, NRc4C(O)Rb4, NRc4C(O)ORa4, NRc4C(O)NRc4Rd4, C(═NRe4)Rb4, C(═NRe4)NRc4Rd4, NRc4C(═NRe4)NRc4Rd4 NRc4S(O)Rb4, NRc4S(O)2Rb4, NRc4S(O)2NRc4Rd4, S(O)Rb4, S(O)NRc4Rd4, S(O)2Rb4, and S(O)2NRc4Rd4;
• each RB is independently selected from Cy3, halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, CN, NO2, ORa5, SRa5, C(O)Rb5, C(O)NRc5Rd5, C(O)ORa5, OC(O)Rb5, OC(O)NRc5Rd5, NRc5Rd5, NRc5C(O)Rb5, NRc5C(O)ORa5, NRc5C(O)NRc5Rd5, C(═NRe5)Rb5, C(═NRe5)NRc5Rd5, NRc5C(═NRe5)NRc5Rd5, NRc5S(O)Rb5, NRc5S(O)2Rb5, NRc5S(O)2NRc5Rd5, S(O)Rb5, S(O)NRc5Rd5, S(O)2Rb5, and S(O)2NRc5Rd5, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted by 1, 2, or 3 substituents independently selected from Cy3, halo, C1-6 haloalkyl, CN, NO2, ORa5, SRa5, C(O)Rb5, C(O)NRc5Rd5, C(O)ORa5, OC(O)Rb5, OC(O)NRc5Rd5, NRc5Rd5, NRc5C(O)Rb5, NRc5C(O)ORa5, NRc5C(O)NRc5Rd5, C(═NRe5)Rb5, C(═NRe5)NRc5Rd5, NRc5C(═NRe5)NRc5Rd5, NRc5S(O)Rb5, NRc5S(O)2Rb5, NRc5S(O)2NRc5Rd5, S(O)Rb5, S(O)NRc5Rd5, S(O)2Rb5, and S(O)2NRc5Rd5;
• RX is H, halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)ORa8, NRc8C(O)NRc8Rd8, C(═NRe8)Rb8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, NRc8S(O)Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, or S(O)2NRc8Rd8;
• RZ is H, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, or Cy4, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from Cy4, halo, CN, ORa3, SRa3, C(O)Rb3, C(O)NRc3Rd3, C(O)ORa3, OC(O)Rb3, OC(O)NRc3Rd3, NRc3Rd3, NRc3C(O)Rb3, NRc3C(O)ORa3, NRc3C(O)NRc3Rd3, C(═NRe3)Rb3, C(═NRe3)NRc3Rd3, NRc3C(═NRe3)NRc3Rd3, NRc3S(O)Rb3, NRc3S(O)2Rb3, NRc3 S(O)2NRc3Rd3, S(O)Rb3, S(O)NRc3Rd3, S(O)2Rb3, and S(O)2NRc3Rd3;
• each Cy1, Cy2, Cy3, Cy4, and Cy5 is independently selected from C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, and 4-10 membered heterocycloalkyl, each of which is optionally substituted with 1, 2, 3, or 4 substituents independently selected from RCy;
• each RCy is selected from halo, C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, C2-6 alkenyl, C2-6 alkynyl, phenyl, C3-7 cycloalkyl, 5-6 membered heteroaryl, 4-7 membered heterocycloalkyl, phenyl-C1-4 alkyl-, C3-7 cycloalkyl-C1-4 alkyl-, (5-6 membered heteroaryl)-C1-4 alkyl-, (4-7 membered heterocycloalkyl)-C1-4 alkyl-, CN, NO2, ORa6, SRa6, C(O)Rb6, C(O)NRc6Rd6, C(O)ORa6, OC(O)Rb6, OC(O)NRc6Rd6, C(═NRe6)NRc6Rd6, NRc6C(═NRe6)NRc6Rd6, NRc6Rd6, NRc6C(O)Rb6, NRc6C(O)ORa6, NRc6C(O)NRc6Rd6, NRc6S(O)Rb6, NRc6S(O)2Rb6, NRc6S(O)2NRc6Rd6, S(O)Rb6, S(O)NRc6Rd6, S(O)2Rb6, and S(O)2NRc6Rd6, wherein said C1-4 alkyl, C2-6 alkenyl, C2-6 alkynyl, phenyl, C3-7 cycloalkyl, 5-6 membered heteroaryl, 4-7 membered heterocycloalkyl, phenyl-C1-4 alkyl-, C3-7 cycloalkyl-C1-4 alkyl-, (5-6 membered heteroaryl)-C1-4 alkyl-, and (4-7 membered heterocycloalkyl)-C1-4 alkyl- are each optionally substituted by 1, 2, or 3 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, NO2, ORa6, SRa6, C(O)Rb6, C(O)NRc6Rd6, C(O)ORa6, OC(O)Rb6, OC(O)NRc6Rd6, C(═NRe6)NRc6Rd6, NRc6C(═NRe6)NRc6Rd6, NRc6Rd6, NRc6C(O)Rb6, NRc6C(O)ORa6, NRc6C(O)NRc6Rd6, NRc6S(O)Rb6, NRc6S(O)2Rb6, NRc6S(O)2NRc6Rd6, S(O)Rb6, S(O)NRc6Rd6, S(O)2Rb6, and S(O)2NRc6Rd6;
• each Ra1 is independently selected from H, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, and Cy5, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted with 1, 2, or 3 substituents independently selected from Cy5, halo, CN, ORa7, SRa7, C(O)Rb7, C(O)NRc7Rd7, C(O)ORa7, OC(O)Rb7, OC(O)NRc7Rd7, NRc7Rd7, NRc7C(O)Rb7, NRc7C(O)ORa7, NRc7C(O)NRc7Rd7, C(═NRe7)Rb7, C(═NRe7)NRc7Rd7, NRc7C(═NRe7)NRc7Rd7, NRc7S(O)Rb7, NRc7S(O)2Rb7, NR7S(O)2NRc7Rd7, S(O)Rb7, S(O)NRc7Rd7, S(O)2Rb7, and S(O)2NRc7Rd7;
• each Rb1, Rc1, and Rd1 is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl-, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl- are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc1 and Rd1 together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C3-7 cycloalkyl, 4-7 membered heterocycloalkyl, C6-10 aryl, 5-6 membered heteroaryl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8, wherein said C1-6 alkyl, C3-7 cycloalkyl, 4-7 membered heterocycloalkyl, C6-10 aryl, and 5-6 membered heteroaryl are each optionally substituted by 1, 2, or 3 substituents independently selected from halo, C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra2, Rb2, Rc2, and Rd2 is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl-, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl- are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc2 and Rd2 together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C3-7 cycloalkyl, 4-7 membered heterocycloalkyl, C6-10 aryl, 5-6 membered heteroaryl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8, wherein said C1-6 alkyl, C3-7 cycloalkyl, 4-7 membered heterocycloalkyl, C6-10 aryl, and 5-6 membered heteroaryl are each optionally substituted by 1, 2, or 3 substituents independently selected from halo, C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra3, Rb3, Rc3, and Rd3, is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl-, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl- are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc3 and Rd3, together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra4, Rb4, Rc4, and Rd4 is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, and C2-6 alkynyl, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc4 and Rd4 together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra5, Rb5, Rc5, and Rd5 is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl-, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl- are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)Nc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc5 and Rd5 together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C3-7 cycloalkyl, 4-7 membered heterocycloalkyl, C6-10 aryl, 5-6 membered heteroaryl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8, wherein said C1-6 alkyl, C3-7 cycloalkyl, 4-7 membered heterocycloalkyl, C6-10 aryl, and 5-6 membered heteroaryl are each optionally substituted by 1, 2, or 3 substituents independently selected from halo, C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra6, Rb6, Rc6, and Rd6 is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, and C2-6 alkynyl, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc6 and Rd6 together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra7, Rb7, Rc7, and Rd7 is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl-, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl- are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc7 and Rd7 together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C3-7 cycloalkyl, 4-7 membered heterocycloalkyl, C6-10 aryl, 5-6 membered heteroaryl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8, wherein said C1-6 alkyl, C3-7 cycloalkyl, 4-7 membered heterocycloalkyl, C6-10 aryl, and 5-6 membered heteroaryl are each optionally substituted by 1, 2, or 3 substituents independently selected from halo, C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra8, Rb8, Re8, and Rd8 is independently selected from H, C1-4 alkyl, C1-4 haloalkyl, C2-4 alkenyl, and C2-4 alkynyl, wherein said C1-4 alkyl, C2-4 alkenyl, and C2-4 alkynyl are each optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C1-4 alkyl, C1-4 alkoxy, C1-4 alkylthio, C1-4 alkylamino, di(C1-4 alkyl)amino, C1-4 haloalkyl, and C1-4 haloalkoxy;
• and
• each Re1, Re2, Re3, Re4, Re5, Re6, Re7, and Re8 is independently selected from H, C1-4 alkyl, and CN;
• wherein when X is N;
• then Ring A is substituted by at least one RA or Ring B is substituted by at least one RB.

The method of claim 1, wherein:

• X is N or CRX;
• Y is (a) C═O and Z is NRZ or (b) Y is CR3 and Z is N;
• wherein the bond between Y and Z represented by is a single bond in the case of (a) and a double bond in the case of (b);
• Ring A is phenyl optionally substituted by 1 or 2 substituents independently selected from RA;
• Ring B is phenyl optionally substituted by 1 or 2 substituents independently selected from RB;
• R1 is ORa1;
• R3 is H;
• each RA is independently selected from halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, CN, NO2, ORa4, C(O)Rb4, C(O)NRc4Rd4, C(O)ORa4, NRc4Rd4, NRc4C(O)Rb4, S(O)2Rb4, and S(O)2NRc4Rd4, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted by 1, 2, or 3, substituents independently selected from halo, C1-6 haloalkyl, CN, NO2, ORa4, C(O)Rb4, C(O)NRc4Rd4, C(O)ORa4, NRc4Rd4 NRc4C(O)Rb4, S(O)2Rb4, and S(O)2NRc4Rd4;
• each RB is independently selected from halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, CN, NO2, ORa5, C(O)Rb5, C(O)NRc5Rd5, C(O)ORa5, NRc5Rd5, NRc5C(O)Rb5, S(O)2Rb5, and S(O)2NRc5Rd5, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted by 1, 2, or 3 substituents independently selected from halo, C1-6 haloalkyl, CN, NO2, ORa5, C(O)Rb5, C(O)NRc5Rd5, C(O)ORa5, NRc5Rd5, NRc5C(O)Rb5, S(O)2Rb5, and S(O)2NRc5Rd5;
• RX is H;
• RZ is H, C1-6 alkyl, or C1-6 haloalkyl, wherein said C1-6 alkyl is optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from Cy4, halo, CN, ORa3, C(O)NRc3Rd3, and NRc3Rd3;
• each Cy4 is independently selected from phenyl, C3-7 cycloalkyl, 5-6 membered heteroaryl, and 4-7 membered heterocycloalkyl, each of which is optionally substituted with 1 or 2 substituents independently selected from RCy;
• each Cy5 is independently selected from 4-7 membered heterocycloalkyl, each of which is optionally substituted with 1 or 2 substituents independently selected from RCy;
• each RCy is selected from halo, C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, CN, NO2, ORa6, C(O)Rb6, C(O)NRc6Rd6, C(O)ORa6, NRc6Rd6, NRc6C(O)Rb6, S(O)2Rb6, and S(O)2NRc6Rd6;
• each Ra1 is C1-6 alkyl optionally substituted with Cy5;
• each Ra3, R3, and Rd3, is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl-, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl- are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc3 and Rd3, together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra4, Rb4, Rc4, and Rd4 is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, and C2-6 alkynyl, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc4 and Rd4 together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe5)Nc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra5, Rb5, Rc5, and Rd5 is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl-, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10 aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, 4-10 membered heterocycloalkyl, C6-10 aryl-C1-4 alkyl-, C3-10 cycloalkyl-C1-4 alkyl-, (5-10 membered heteroaryl)-C1-4 alkyl-, and (4-10 membered heterocycloalkyl)-C1-4 alkyl- are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc5 and Rd5 together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C3-7 cycloalkyl, 4-7 membered heterocycloalkyl, C6-10 aryl, 5-6 membered heteroaryl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8, wherein said C1-6 alkyl, C3-7 cycloalkyl, 4-7 membered heterocycloalkyl, C6-10 aryl, and 5-6 membered heteroaryl are each optionally substituted by 1, 2, or 3 substituents independently selected from halo, C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc5C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra6, Rb6, Rc6, and Rd6 is independently selected from H, C1-6 alkyl, C1-4 haloalkyl, C2-6 alkenyl, and C2-6 alkynyl, wherein said C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-4 alkyl, C1-4 haloalkyl, C1-4 cyanoalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• or any Rc6 and Rd6 together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, C1-6 haloalkyl, halo, CN, ORa8, SRa8, C(O)Rb8, C(O)NRc8Rd8, C(O)ORa8, OC(O)Rb8, OC(O)NRc8Rd8, NRc8Rd8, NRc8C(O)Rb8, NRc8C(O)NRc8Rd8, NRc8C(O)ORa8, C(═NRe8)NRc8Rd8, NRc8C(═NRe8)NRc8Rd8, S(O)Rb8, S(O)NRc8Rd8, S(O)2Rb8, NRc8S(O)2Rb8, NRc8S(O)2NRc8Rd8, and S(O)2NRc8Rd8;
• each Ra8, Rb8, Rc8, and Rd8 is independently selected from H, C1-4 alkyl, C1-4 haloalkyl, C2-4 alkenyl, and C2-4 alkynyl, wherein said C1-4 alkyl, C2-4 alkenyl, and C2-4 alkynyl are each optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C1-4 alkyl, C1-4 alkoxy, C1-4 alkylthio, C1-4 alkylamino, di(C1-4 alkyl)amino, C1-4 haloalkyl, and C1-4 haloalkoxy;
• and
• each Re8 is independently selected from H, C1-4 alkyl, and CN;
• wherein when X is N;
• then Ring A is substituted by at least one RA or Ring B is substituted by at least one RB.

The method of claim 1, wherein the compound is a compound of Formula IVa:

• or a pharmaceutically acceptable salt thereof, wherein:
• n is 0, 1, 2, 3, or 4;
• and
• m is 0, 1, 2, 3, or 4.

The method of claim 1, wherein the compound is a compound of Formula IVb:

• or a pharmaceutically acceptable salt thereof, wherein:
• n is 0, 1, 2, 3, or 4;
• and
• m is 0, 1, 2, 3, or 4.

The method of claim 1, wherein the compound is selected from:

• 4-{5-(4-methylphenyl)-8-[(3R)-pyrrolidin-3-ylmethoxy][1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 2-fluoro-4-{5-(4-methylphenyl)-8-[(3R)-pyrrolidin-3-ylmethoxy][1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-{5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-{2-methyl-5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• (R)-4-(2-(cyanomethyl)-3-oxo-8-(pyrrolidin-3-ylmethoxy)-5-p-tolyl-2,3-dihydro-[1,2,4]triazolo[4,3-a]pyridin-6-yl)benzonitrile;
• 4-{2-(2-cyanoethyl)-5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-{2-(cyclopentylmethyl)-5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-[5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2-(tetrahydrofuran-2-ylmethyl)-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl]benzonitrile;
• 4-{5-(4-methylphenyl)-2-[(1-methyl-1H-pyrazol-3-yl)methyl]-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-{5-(4-methylphenyl)-2-(2-morpholin-4-ylethyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 2-[6-(4-cyanophenyl)-5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy][1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl]acetamide;
• 4-[5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2-(3,3,3-trifluoro-2-hydroxypropyl)-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl]benzonitrile;
• 4-{5-(4-methylphenyl)-3-oxo-2-(piperidin-4-ylmethyl)-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-{5-(4-methylphenyl)-3-oxo-2-(2-phenoxyethyl)-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-{2-[2-(dimethylamino)ethyl]-5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-{2-benzyl-5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-{2-(4-cyanobenzyl)-5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-{2-(2-hydroxyethyl)-5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyridin-6-yl}benzonitrile;
• 4-{5-(4-methylphenyl)-8-[(3R)-pyrrolidin-3-ylmethoxy][1,2,4]triazolo[4,3-a]pyrazin-6-yl}benzonitrile;
• and
• 4-{5-(4-methylphenyl)-3-oxo-8-[(3R)-pyrrolidin-3-ylmethoxy]-2,3-dihydro[1,2,4]triazolo[4,3-a]pyrazin-6-yl}benzonitrile;
• or a pharmaceutically acceptable salt of any of the aforementioned.