4,4'-Bipyrimidine

4-(3-(Pyridin-4-yl)-1H-1,2,4-triazol-5-yl)picolinonitrile

1,3-Di(pyridin-4-yl)benzene

[4,4'-Bipyridine]-3-carboxylic acid

4,4'-Di(pyridin-4-yl)-1,1'-biphenyl

4'-(4-Pyridyl)-2,2':6',2''-terpyridine

N,N'-((5-(4-Aminobutoxy)-1,3-phenylene)bis(methylene))bis(1-(pyridin-2-yl)-N-(pyridin-2-ylmethyl)methanamine)

2,9-Di(pyridin-2-yl)-1,10-phenanthroline

2,6-Di(1H-imidazol-1-yl)pyridine

1,2-Di(1H-imidazol-1-yl)ethane-1,2-dione