3,6-endomethylene-1,2,3,6-tetrahydrophtaloyl chloride, endo,exo-bicyclo[2,2,1]-hept-5-ene-2,3-dicarboxylic acid chloride, 3,6-ENDOMETHYLENE-1,2,3,6-TETRAHYDROPHTHALOYL CHLORIDE, trans-bicyclo[2.2.1]hept-5-ene-2,3-dicarbonyl dichloride, trans-bicyclo(2.2.1)hept-5-enyl-2,3-dicarbonylchloride, trans-3,6-endo-Methylene-1,2,3,6-tetrahydrophthaloyl chloride, endo,exo-bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid dichloride, endo,exo-bicyclo[2.2.1]hept-2-ene-5,6-dicarboxylic acid dichloride, trans-5-norbornene-3-dicarbonylchloride, (2-endo,3-exo)-bicyclo[2.2.1]hept-5-ene-2,3-dicarbonyl dichloride, 5-NORBORNENE-2,3-DICARBONYL CHLORIDE, endo,exo-norbornene-2,3-dicarboxylic acid dichloride, BICYCLO[2.2.1]-5-HEPTENE-2,3-DICARBONYL CHLORIDE, (+/-)-trans-norborn-5-ene-2,3-dicarbonyl dichloride