1,2-Propanediol, 2,2'-dihydroxydiethyl ether, cis-butenedioic anhydride, phthalandione, trans-butenedioic acid polymer 2-Butenedioic acid (2E)-, polymer with 2,5-furandione, 1,3-isobenzofurandione, 2,2'-oxybis(ethanol) and 1,2-propanediol 68555-45-3