is an important isomer of the bipyridine family. It is a bidentate chelating ligand , forming complexes with many transition metal s. Ruthenium complex and platinum complexes of bipy exhibit intense luminescence , which may have practical applications. Read more... Edit at Wikipedia... Other names 2,2'-Bipyridine (IUPAC Name); 2-(2-pyridyl)pyridine; 2,2' bipyridine;