1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol 53808-41-6 Neopentyl glycol, isophthalic acid, terephthalic acid, trimethylolpropane polymer Neopentyl glycol, trimethylolpropane, isophthalic acid, 1,4-benzenedicarboxylic acid polymer