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