68609-61-0 Hexanedioic acid, polymer with 2,5-furandione, 1,3-isobenzofurandione, 1,2-propanediol and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione, benzylated Phthalic anhydride, maleic anhydride, tetrahydrophthalic anhydride,adipic acid, 1,2-propylene glycol, polymer, benzylated