Patent ID: 11866433
Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC C

Claim 8:
9. The compound of Formula (I) or a pharmaceutically acceptable salt thereof according to claim 1, wherein each R9 is independently selected from the group consisting of halogen, C1-6 alkyl, C1-6 alkoxy, and hydroxyl, wherein the C1-6 alkyl is optionally substituted by halogen or C1-6 alkoxy, and wherein the hydroxyl is optionally substituted by: —C1-6 alkyl-O—C1-6 alkyl, —C1-6 alkyl-OH, or —C1-6 alkyl-C(═O)NRfRg.