In the title compound, C(19)H(16)N(4)S(4), the mol-ecules exhibit a butterfly conformation, where the thia-diazole and attached benzene rings in two wings are almost coplanar, with dihedral angles of 0.8 (3) and 0.9 (3)°, respectively, while the two thia-diazole rings form a dihedral angle of 46.3 (3)°.