In the title compound, C20H14N6, the dihedral angle between the pyridine rings is 37.98 (7)°. In the crystal, N-H⋯N hydrogen bonds link the mol-ecules into (10) sheets.
Funding for this research was provided by: Natural Science Foundation of Anhui Province (grant No. 2008085QB52); Anhui University (grant No. S020118002/073).