1,3-Benzenedicarboxylic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid, 1,6-hexanediol and 1,3-isobenzofurandione 422565-35-3 72259-84-8 Adipic acid, isophthalic acid, trimethylolpropane, phthalic anhydride, 1,6-hexanediol polymer