1,2,4,5-Benzenetetracarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,2,4-benzenetricarboxylic acid, 2,2-bis(hydroxymethyl)-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,2-propanediol 68134-47-4 Propylene glycol, trimethylolpropane, pentaerythritol, trimellitic acid, pyromellitic acid, terephthalic acid polymer