1,3-Isobenzofurandione, 4,5,6,7-tetrachloro-, polymer with 1,2-ethanediol and 2,5-furandione 29403-69-8 36671-78-0 4,5,6,7-Tetrachloro-1,3-isobenzofurandione, polymer with 1,2-ethanediol and 2,5-furandione Ethylene glycol, maleic anhydride, tetrachlorophthalic anhydride Ethylene glycol, maleic anhydride, tetrachlorophthalic anhydride polymer Maleic anhydride, tetrachlorophthalic anhydride, ethylene glycol polymer Maleic anhydride, tetrachlorophthalic anhydride, ethylene glycol terpolymer Tetrachlorophthalic anhydride, polymer with maleic anhydride and ethylene glycol