1,4-Benzenedicarboxylic acid, mixed esters with diethylene glycol, ethylene glycol and triethylene glycol 1,4-Benzenedicarboxylic acid, mixed esters with diethylene glycol,ethylene glycol and triethylene glycol 68987-51-9 EINECS 273-495-6 Glycol terephthalate esters Terephthalate glycols