1,3-Benzenedicarboxylic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid and 1,2-ethanediol, methylphenyl ester 68071-10-3 Ethylene glycol, isophthalic acid, trimellitic anhydride polymer, cresylic acid ester