• CAS:1955472-35-1

• CAS:1650593-50-2

• CAS:618-21-3

  4-Phosphonobenzoic acid

• CAS:359400-00-3

  [1,1'-Biphenyl]-2,2',4,4',6,6'-hexacarboxylic acid

• CAS:113305-44-5

  2,6-naphthalenediylbis-Phosphonic acid