1,4-Benzene-bis-phosphonic acid

1,4-diphosphonobenzene ; phosphonic acid,p.p'-1,4-phenylenebis- ; phosphonic acid, p-phenylenedi- (6ci,7ci,8ci) ; phosphonicacid, 1,4-phenylenebis- (9ci) ; 1,4-benzenebisphosphonic acid ; 1,4-phenylenebisphosphonic acid ; p-phenylenebis(phosphonic acid) ; 1,4-phenylenediphosphonic acid ; 1,4-benzenebisphosphonic acid, min. 95 % ; phenylene-1,4-diphosphonic acid ; 1,4-benzenediphosphonic acid