Synonyms: 3,5-Pyridinedicarboxylicacid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, monomethyl ester, (4S)-(9CI); 3,5-Pyridinedicarboxylic acid,1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, monomethyl ester, (S)-;(+)-(4S)-1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylicacid monomethyl ester; (+)-1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(3-nitrophenyl)-3-pyridinecarboxylicacid