N-(5-Phenyl-1H-pyrazol-3-yl)benzene-1,2-diamine.

In the title compound, C(15)H(14)N(4), the phenyl and pyrazole rings are essentially coplanar, being twisted relative to each other by a dihedral of only 3.68 (11)°. The benzene ring makes a dihedral angle of 64.

5-Methyl-3-[1-(2-pyridylmeth-yl)-1H-benzimidazol-2-ylmeth-yl]isoxazole.

The title compound, C(18)H(16)N(4)O, is built up from fused six- and five-membered rings linked to a five-membered isoxazole ring and to a six-membered pyridine ring through a CH(2) group. The fused-ring system is essentially planar, with a maximum deviation of 0.019 (1) Å.