4,7-Methanoisobenzofuran-1,3-dione, 4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-, polymer with 1,2-ethanediol, 2,5-furandione, 2,2'-oxybis(ethanol) and 4,5,6,7-tetrabromo-1,3-isobenzofurandione 67923-69-7 Maleic anhydride, chlorendic anhydride, tetrabromophthalic anhydride, diethylene glycol, ethylene glycol polymer