Synonyms: 4,4'-Carbonyldiphthalic acid, tetracesium salt;AC1L366M;EINECS 268-563-7;AR-1L6238;Tetracesium 4,4'-carbonyldiphthalate;Tetracesium 4,4'-carbonylbisphthalate;tetracesium 4-(3,4-dicarboxylatobenzoyl)phthalate;tetracaesium 4,4'-carbonyldibenzene-1,2-dicarboxylate;1,2-Benzenedicarboxylic acid, 4,4'-carbonylbis-, tetracesium salt;1,2-Benzenedicarboxylic acid, 4,4'-carbonylbis-, cesium salt (1:4);68123-46-6