1,4-Cyclohexadiene-1,4-dicarboxylic acid, 2,5-bis(phenylamino)-, dimethyl ester 2,5-Dianilino-3,6-dihydro-1,4-benzenedicarboxylic acid, dimethyl ester 4898-58-2 Dimethyl 2,5-dianilino-1,4-cyclohexadiene-1,4-dicarboxylate Dimethyl 2,5-dianilinocyclohexa-1,4-diene-1,4-dicarboxylate EINECS 225-524-9