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

Claim 8:
9. The compound according to claim 7, wherein
R1 is C1-C2alkyl;
R2 is H, C1-C3alkyl optionally substituted with OH; CHO, or CR8═N—OR9;
R8 is H or CH3;
R9 is H or C1-C3alkyl optionally substituted with OH;
R3 is C2-C3alkyl;

R4 is C2-C3alkyl;
R20 is C1-C3alkyl substituted with one, two or three substituents selected from OH, ONO and ONO2 wherein R20 is substituted with at least one ONO2 or ONO moiety; and
R21 is H or C1-C3alkyl substituted with one or two substituents selected from OH, ONO and ONO2.