Nicardipine EP Impurity A

Chemical Name: Nicardipine USP RC B ; 2-[benzyl(methyl)amino]ethyl methyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate Hydrochloride

Synonym: (E)-3-(4a,6a-dimethyl-2-oxo-2,3,4,4a,4b,5,6,6a,7a,8,8a,8b,8c,8d,9,9a-hexadecahydro-7H-cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthren-7-ylidene)propanoic acid