Synonyms:
pyridine-2,6-diphosphonic acid ; 4,4'-azobisbenzoic acid ; 4,4'-bis(pyrid-4-yl)biphenyl ; pyridine-3-phosphonic acid ; pyridine-3,5-diphosphonic acid ; pyridine-4-phosphonic acid ; tri(4-pyridylphenyl)amine ; 4,4'-azodibenzoic acid ; 4-azobenzoate ; benzene-1,3,5-triphosphonic acid