Synonyms: (+)-(R)-Nitrendipine;(R)-(+)-Nitrendipine;(R)-Nitrendipine;3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, ethyl methyl ester, (4R)- (9CI);3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, ethyl methyl ester, (R)-;(R)-2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid 3-methyl 5-ethyl ester;[R,(+)]-2,6-Dimethyl-4β-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid 3-methyl 5-ethyl ester