Synonyms: tripotassium hydrogen 4,4'-carbonylbisphthalate;1,2-Benzenedicarboxylic acid, 4,4'-carbonylbis-, potassium salt (1:3);1,2-Benzenedicarboxylic acid, 4,4'-carbonylbis-, tripotassium salt;4,4'-Carbonylbis(1,2-benzenedicarboxylic acid), tripotassium salt;Einecs 269-328-1;Tripotassium 4,4'-carbonyldiphthalate