1,2-Benzenedicarboxylic acid, 4,4'-(2,2,2-trifluoro-1-(trifluoromethyl)ethylidene)bis-, tetraethyl ester 4,4'-(Bis(trifluoromethyl)ethylene)diphthalic acid, diethyl ester 67846-42-8 EINECS 267-365-8 Tetraethyl 4,4'-(2,2,2-trifluoro-1-(trifluoromethyl)ethylidene)bis(phthalate)