N,N′-Di­phenyl-2,2′-(1,3,4-thia­diazo­lyl-2,5-di­thio)­diacet­amide

In the title compound, C₁₈H₁₆N₄O₂S₃, mol­ecules are linked into ribbons along the b axis through intermolecular N—H...O interactions. The packing is further stabilized by C—H...π interactions.