Synonyms: Phosphonicacid, 1,3-propanediylbis- (9CI); Phosphonic acid, trimethylenedi- (7CI,8CI);1,3-Propanediphosphonic acid; 1,3-Propanediylbis[phosphonic acid];1,3-Propylenebis(phosphonic acid); Propylene-1,3-diphosphonic acid;Trimethylenediphosphonic acid