1,2-Propanediol, 2,2'-dihydroxydiethyl ester, cis-butenedioic anhydride, phthalandione, m-phthalic acid polymer 27437-40-7 Diethylene glycol, propylene glycol, isophthalic acid, maleic anhydride, phthalic anhydride polymer Isophthalic acid, polyester with diethylene glycol, maleic anhydride, phthalic anhydride and 1,2-propanediol Isophthalic acid, polyester with diethylene glycol, maleic anhydride, phthalic anhydride, and 1,2-propanediol Polymer of propylene glycol, diethylene glycol, phthalic anhydride,maleic anhydride, isophthalic acid