2-Methyl-4-(2-nitrophenyl)-5-oxo-1,4,5,7-tetrahydrofuro(3,4-b)pyridin-3-carbonsaeuremethylester

N-[2-methyl-3,5-dimethoxycarbonyl-4-(o-nitrophenyl)-1,4-dihydropyridinyl-6-methyl]pyridinium bromide

硝苯地平杂质A

2-Acetoxymethyl-6-methyl-4-(2-nitrophenyl)-pyridin-3,5-dicarbonsaeuredimethylester

硝苯地平