Synonyms: 3,5-Pyridinedicarboxylicacid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, bimol. monoanhydride,dimethyl ester, (4R,4'S)-rel- (9CI); 3,5-Pyridinedicarboxylic acid,1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, bimol. monoanhydride, dimethylester, (R*,S*)-; CGS 27830