1,3-Benzenedicarboxylic acid, polymer with 1,4-butanediol, 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol and hexanedioic acid 67906-88-1 Isophthalic acid, neopentyl glycol, 1,4-butanediol, adipic acid, trimellitic anhydride polymer