Patent ID: 11905293
Assignee: TOPADUR PHARMA AG
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 7:
8. The compound according to claim 7, wherein
R1 is C1-C3alkyl;
R2 is H, C1-C3alkyl optionally substituted with CHO, CN, or CR8═N—OR9;
R8 is independently H or CH3;
R9 is H or C1-C3alkyl optionally substituted with OH;
R3 is C1-C4alkyl;
R4 is C1-C4alkyl optionally substituted with C1-C3alkoxy;
R20 is C1-C4alkyl substituted with at least one ONO or ONO2, and is optionally substituted with OH; and
R21 is H or C1-C4alkyl optionally substituted with halogen, OH, ONO, or ONO2.