1,3-Isobenzofurandione, 4,5,6,7-tetrabromo-, polymer with 1,2-ethanediol, 2,5-furandione, 1,3-isobenzofurandione and 1,2-propanediol 52235-92-4 Maleic anhydride, ethylene glycol, phthalic anhydride, propylene glycol, tetrabromophthalic anhydride polymer