1,2,4,5-Benzenetetracarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,2-ethanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,6-hexanediol 68134-46-3 Ethylene glycol, 1,6-hexanediol, trimethylol propane, terephthalic acid, pyromellitic acid polymer