In the title mol-ecule, C(30)H(42)N(6)O(2), the amide-substituted N atoms of the tetra-zine ring deviate from the approximate plane of the four other atoms in the ring by 0.457 (3) and 0.463 (3) Å, forming a boat conformation. The two benzene rings form a dihedral angle of 47.69 (9)°. Intra-molecular N-H⋯N and weak C-H⋯O hydrogen bonds are observed.