4,4'-Bipyridine

2,2'-Dimethoxy-4,4'-bipyridine

1,2-Bis(pyridin-4-ylmethylene)hydrazine

4,4'-(5'-(4-(1H-Pyrazol-4-yl)phenyl)-[1,1':3',1''-terphenyl]-4,4''-diyl)bis(1H-pyrazole)

4,4'-Di(1H-imidazol-1-yl)-1,1'-biphenyl

4'-Phenyl-2,2':6',2''-terpyridine

1H,1'H-2,2'-Bibenzo[d]imidazole

4'-Methyl-2,2':6',2''-terpyridine

N'-(Pyridin-4-ylmethylene)isonicotinohydrazide

4-(1H-Imidazol-2-yl)pyridine