Synonyms: 5-Norbornene-2,3-dicarbonylchloride, trans- (8CI); Bicyclo[2.2.1]hept-5-ene-2,3-dicarbonyl dichloride,(2-endo,3-exo)-; NSC 103156;endo,exo-Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxyclic acid dichloride;endo,exo-Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic dichloride;trans-3,6-Endomethylene-1,2,3,6-tetrahydrophthaloyl chloride; trans-5-Norbornene-2,3-dicarbonylchloride