Patent ID: 11858912
Assignee: HOFFMANN-LA ROCHE, INC.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A  Y | IPC A  C

Claim 1:
2. The compound of formula (I) according to claim 1, or a pharmaceutically acceptable salt thereof, wherein:
R1 and R2, taken together with the nitrogen atom to which they are attached, form, RA is (RA6)3N+—C1-C6-alkyl-C(O)— or, RA1 is selected from the group consisting of hydroxy, C1-C6-alkyl, carbamoyl-C1-C6-alkyl, and, RA2 is selected from the group consisting of C1-C6-alkyl, carboxy-C1-C6-alkyl, and carbamoyl-C1-C6-alkyl;
RA3 is hydrogen or C1-C6-alkyl;
RA4 and RA5 are hydrogen;
each RA6 is independently amino-C1-C6-alkyl or carboxy-C1-C6-alkyl;
LA is carbonyl; and
A, A1 and A2 are each independently a 3- to 14-membered heterocyclyl.