17919-31-2

4,4'-Bis(phosphonomethyl)biphenyl 4,4'-Biphenyldiylbis(methylene)]bis(phosphonicacid) 1,1′-biphenylene-4,4′-bis(methylene)bis(phosphonic acid) ([1,1'-Biphenyl]-4,4'-diylbis(methylene))bis(phosphonic acid) Phosphonic acid, P,P'-[[1,1'-biphenyl]-4,4'-diylbis(methylene)]bis-