Synonyms: Pyridine,2,2'-iminodi- (6CI,7CI,8CI);2,2'-Bipyridylamine;2,2'-Dipyridylamine;2,2'-Iminodipyridine;2-(2-Pyridylamino)pyridine;Bis(2-pyridyl)amine;Bis(o-pyridyl)amine;Bis(pyridin-2-yl)amine;Di-2-pyridylamine;Di-a-pyridylamine;Dipyridin-2-ylamine;N-(2-Pyridinyl)-2-pyridinamine;NSC 7494;