68025-36-5 Hexanedioic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,3-isobenzofurandione and 1,2-propanediol Propylene glycol, neopentyl glycol, phthalic anhydride, adipic acid, trimellitic anhydride polymer