Synonyms: Bicyclo[2.2.2]oct-5-ene-2,3-dicarboxylicacid, dimethyl ester, (1R,2S,3R,4S)-rel- (9CI);Bicyclo[2.2.2]oct-5-ene-2,3-dicarboxylic acid, dimethyl ester, (1a,2b,3b,4a)-; NSC 149937;rel-(1R,2S,3R,4S)-Bicyclo[2.2.2]oct-5-ene-2,3-dicarboxylic acid dimethyl ester