1,3-Isobenzofurandione, 4,5,6,7-tetrachloro-, polymer with 1,4-benzenediol, 1,2-ethanediol, 2,5-furandione and 1,2-propanediol 68698-77-1 Ethylene glycol, propylene glycol, hydroquinone, tetrachlorophthalic anhydride, maleic anhydride polymer