1,3-Isobenzofurandione, polymer with ethenylbenzene, 2,5-furandione and 1,2-propanediol 1,3-Isobenzofurandione, polymer with ethenylbenzene, 2,5-furandioneand 1,2-propanediol 113190-40-2 116236-04-5 177577-57-0 26182-24-1 59330-70-0 62493-94-1 Maleic anhydride, phthalic anhydride, propylene glycol, styrene resin Phthalic anhydride, maleic anhydride, styrene, 1,2-propanediol polymer