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

Claim 10:
11. The compound of Formula (I) or a pharmaceutically acceptable salt thereof according to claim 1, wherein the structural unit, , is selected from the group consisting of, , wherein each R91 is independently selected from the group consisting of C1-12 alkyl, C1-12 alkoxy, and hydroxyl, wherein the C1-12 alkyl is optionally substituted by C1-12 alkoxy or halogen, and wherein the hydroxyl is optionally substituted by —C1-12 alkyl-OH, or —C1-12 alkyl-O—C1-12 alkyl; wherein each R92 is independently selected from the group consisting of hydroxyl, —C1-12 alkoxy, and halogen, wherein the hydroxyl is optionally substituted by —C1-12 alkyl-OH, —C1-12 alkyl-O—C1-12 alkyl, or —C1-12 alkyl-C(═O)NRfRg.