207518-96-5 2305-26-2 4-CYCLOHEXENE-1,2-DICARBOXYLIC ACID 4-Cyclohexene-1,2-dicarboxylic acid, (1R,2S)-rel- AI3-23867 EINECS 218-974-2 NSC 402223 cis-4-Cyclohexene-1,2-dicarboxylic acid cis-Cyclohex-4-ene-1,2-dicarboxylic acid cis-delta4-Tetrahydrophthalic acid