1,3-Benzenedicarboxylic acid, polymer with 1,3-butanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and hexanedioic acid 81972-43-2 Adipic acid, isophthalic acid, 1,3-butylene glycol, trimethylolpropane polyester Poly(butylene trimethylolpropane adipate isophthalate)