Acta Cryst. (2013). E69, o1263 [ doi:10.1107/S1600536813019107 ]
Abstract: In the title compound, C15H15NO4S, the dihedral angle between the benzene rings is 88.87 (1)°. In the crystal, adjacent molecules form inversion dimers through pairs of strong N-HO hydrogen bonds, generating R22(8) loops. Two C-H interactions and an aromatic - interaction [centroid-centroid separation = 3.8191 (1) Å] are also observed.
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