68123-58-0 Adipic acid, trimellitic anhydride, 2,2,4-trimethyl-1,3-pentanediolpolymer Hexanedioic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid and 2,2,4-trimethyl-1,3-pentanediol