Patent ID: 11858919
Assignee: REGENACY PHARMACEUTICALS, INC.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A compound of Formula I:, or a pharmaceutically acceptable salt thereof;, wherein:
R1 is selected from the group consisting of aryl or heteroaryl, wherein aryl or heteroaryl are optionally substituted with —OH or —OSO2NHCH3;
R2 is selected from the group consisting of —H, C1-C6 alkyl, alkyl-cycloalkyl, alkyl-aryl, alkyl-heteroaryl, aryl, heteroaryl, and halo; and
R3 and R4 are independently, at each occurrence, selected from the group consisting of —H, halo, alkyl, aryl, heteroaryl, cycloalkyl, and heterocycloalkyl.