1,2-Benzenedicarboxylic acid, 4,4'-(2,2,2-trifluoro-1-(trifluoromethyl)ethylidene)bis- 3016-76-0 4,4'-(2,2,2-Trifluoro-1-(trifluoromethyl)ethylidene)bisphthalic acid EINECS 221-154-7