Synonyms: 3,5-Pyridinedicarboxylicacid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-,3-(4,4-diphenyl-1-piperidinyl)propyl methyl ester, (4R)- (9CI);3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-,3-(4,4-diphenyl-1-piperidinyl)propyl methyl ester, (R)-; (+)-Niguldipine;(R)-Niguldipine; Dexniguldipine