Lercanidipine Impurity 7

Chemical Name: 3,​5-​Pyridinedicarboxylic acid, 1,​4-​dihydro-​2,​6-​dimethyl-​4-​(3-​nitrophenyl)​-​, 3-​methyl 5-​propyl ester; 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, methyl propyl ester (9CI)

Smile: CC(NC(C)=C1C(OC)=O)=C(C(OCCC)=O)C1C2=CC([N+]([O-])=O)=CC=C2