The title compound, C(16)H(20)N(2)O(4)S, exhibits a V-shape structure with a dihedral angle of 77.5 (11)° formed by the two benzenel rings. The mol-ecular packing is stabilized by intra-molecular and inter-molecular hydrogen bonds as well as π-π [3.738 (3) Å] and C-H⋯π inter-actions.