Benidipine Impurity 15

1-Benzyl-3-piperidinol Butanoic acid, 3-oxo-, 1-(phenylmethyl)-3-piperidinyl ester bis(1-benzylpiperidin-3-yl) 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate Nifedipine 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid 3-Methyl Ester

M-NIFEDIPINE Benidipine Impurity 23 Benidipine Impurity benidipine Benidipine Impurity 22

Benidipine Impurity 6 3-benzyloxypyridine Benidipine Impurity 9 benidipine dimethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarb oxylate

Benidipine Impurity 21 Methyl 3-nitrobenzylideneacetoacetate Benidipine Impurity 8 (Nifedipine Impurity 5)