主权项 |
1. A compound of structural Formula VI or a salt thereof, wherein: Y3 is chosen from a bond, lower alkyl, lower carboxyl, and lower heteroalkyl; Y4 is chosen from O, S, C(O), SO, SO2, NH, N(CH3), CH2, CHF, CF2, CH(CH3), C(CH3)2, CH2O—, and —CH2N—; and R2 is chosen from phenyl and 6-membered monocyclic heteroaryl, either of which is optionally substituted with one or more substituents chosen from deuterium, halogen, hydroxy, lower amino, lower amido, C1-C3 alkoxy, and C1-C3 alkyl; R3 is chosen from cycloalkyl, aryl, heteroaryl, bicyclic heteroaryl, any of which is optionally substituted with one or more substituents chosen from deuterium, halogen, hydroxy, lower amino, lower amido, lower carboxyl, C1-C3 alkoxy, C1-C3 alkyl, (O), (S), cyano, haloalkyl, phenyl, cycloalkyl, heteroaryl, and cycloheteroalkyl; R14 is chosen from lower heteroalkyl, lower heterocycloalkyl, and lower heteroaryl, any of which is optionally substituted with one or more substituents chosen from deuterium, halogen, hydroxy, lower amino, lower amido, lower carboxyl, C1-C3 alkoxy, C1-C3 alkyl, (O), (S), haloalkyl, phenyl, benzyl, and lower cycloalkyl. |