3,5-Pyridinedicarboxylicacid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3-methyl5-[(3S)-1-(phenylmethyl)-3-pyrrolidinyl] ester, (4S)-

(4s)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 3-methyl 5-[(3s)-1-benzylpyrrolidin-3β-yl] ester ; (s)-3-((s)-1-benzylpyrrolidin-3-yl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3 ; (4s)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylic acid 5-methyl 3-[(3s)-1-benzylpyrrolidin-3-yl] ester ; (s)-3-((s)-1-benzylpyrrolidin-3-yl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate ; barnidipine ; (+)-(3's,4s)-1-benzyl-3-pyrrolidinyl methyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylate ; (4s)-2,6-dimethyl-1,4-dihydro-4-(3-nitrophenyl)pyridine-3,5-dicarboxylic acid 5-methyl 3-[(3s)-1-benzylpyrrolidin-3-yl] ester