1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, hexanedioic acid and 1,6-hexanediol 1,6-Hexanediol, neopentyl glycol, adipic acid, isophthalic acid tetrapolymer 163516-28-7 68492-72-8 Neopentyl glycol, 1,6 hexanediol, adipic acid, isophthalic acid polyester