1,3-Isobenzofurandione, polymer with 1,2-ethanediol, 2,5-furandione, 2,2'-oxybis(ethanol) and 1,2-propanediol 58182-50-6 Maleic anhydride, phthalic anhydride, ethylene glycol, diethylene glycol, propylene glycol polymer Phthalic anhydride, maleic anhydride, ethylene glycol, diethylene glycol, propylene glycol polymer Phthalic anhydride, polymer with maleic anhydride, ethylene glycol,diethylene glycol and propylene glycol Polymer of propylene glycol, diethylene glycol, phthalic anhydride,maleic anhydride, ethylene glycol Propylene glycol, diethylene glycol, maleic anhydride, ethylene glycol, phthalic anhydride polymer