1,2-Benzenedicarboxylic acid, 4,4'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis-, tetrasodium salt 2,2-Bis(4-(3,4-dicarboxyphenoxy)phenyl)propane, tetrasodium salt 67892-57-3 EINECS 267-591-7 Tetrasodium 4,4'-((1-methylethylidene)bis(1,4-phenyleneoxy))bisphthalate