5-Methoxycarbonyl-2,6-dimethyl-4(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acid

nifedipine impurity 2 ; lercanidipine nucleus ; nicardipine carboxylic acid derivative ; 1,4-dhpcooh ; monomethyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylate ; 2,6-di-me-4-(3-nitro-ph)-1,4-2h-pyridine-3,5-dicar ; nifedipine impurity 2 (nicardipine carboxylic acid derivative ) ; lercanidipine mainring ; le chi mother nucleus ; 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyr