12-(4-Methoxyphenyl)-10-phenyl-3,4,5,6,8,10-hexaazatricyclo[7.3.0.0 2,6 ]dodeca-1(9),2,4,7,11-pentaene

In the title compound, C19H14N6O, the fused 12-membered tetrazolo/pyrimidine/pyrrole ring system is almost planar (r.m.s. deviation = 0.013 Å). The 4-methoxyphenyl and phenyl substituents on the pyrrole ring are both twisted with respect to the fused-ring system [dihedral angles = 25.39 (18) and 36.42 (18)°, respectively]. Intramolecular C—H...N interactions occur. In the crystal, molecules pack into layers in the ac plane and these are connected along the b axis via C—H...π and π–π [centroid–centroid separation = 3.608 (3) Å] interactions.