Synonyms: 5-Norbornene-2,3-dicarboxylicacid, endo,exo- (8CI);Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,(2-endo,3-exo)-;2-Norbornene-5,6-trans-dicarboxylic acid;5-Norbornene-2-endo-3-exo-dicarboxylic acid;endo-exo-Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid;trans-1,4-Endomethylene-D5-cyclohexene-2,3-dicarboxylic acid;trans-5-Norbornene-2,3-dicarboxylicacid;trans-Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid;