1,3-Benzenedicarboxylic acid, polymer with 1,4-butanediol, dimethyl1,4-benzenedicarboxylate and 2,2-dimethyl-1,3-propanediol 1,4-Butanediol, neopentyl glycol, isophthalic acid, dimethyl terephthalate polymer 68345-25-5