Patent ID: 11897863
Assignee: ZHEJIANG HISUN PHARMACEUTICAL CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC C

Claim 9:
10. The compound or stereoisomers, tautomers or pharmaceutically acceptable salts thereof of claim 3, having the structure of formula (Va), (Vb) or (Vc):, wherein:
Rb and Rc are defined as in claim 1;
Rd and Re are independently selected from hydrogen, —CORC, —SO2RD, C1-C6 alkyl or C3-C6 cycloalkyl; wherein, RC and RD are as defined in claim 1;
G is selected from —CH2—, —CO— or —SO2—;
n is an integer from 0 to 2.