Synonyms: Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid, 1,4,5,6,7,7-hexachloro-, polymer with 1,2-ethanediol and 2,5-furandione;bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,1,4,5,6,7,7-hexachloro-, polymer with 1,2-ethanediol and2,5-furandione;Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,1,4,5,6,7,7-hexachloro-,polymer with 1,2-ethanediol and 2,5-furandione;Ethylene glycol, maleic anhydride, chlorendic acid polymer;r with 1,2-ethanediol and 2,5-furandione