In the title compound, C13H13N5, the planes of the pyrazolyl groups are nearly perpendicular to that of the central pyridine ring, making dihedral angles of 87.77 (8) and 85.73 (7)°. In the crystal, weak C-H⋯N hydrogen bonds link the mol-ecules into layers extending parallel to (10-1).
Keywords: catalysis; crystal structure; purazole; pyridine; tridentate ligand.