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In the title compound, C15H15NO4S, the dihedral angle between the benzene rings is 78.62 (16)°. In the crystal, adjacent molecules are linked along the c axis into C(4) chains through strong N—H
O hydrogen bonds. Molecules are further connected through C—HO hydrogen bonds into a hexameric unit generating an R66(66) motif. Another C—HO interaction connects the molecules along the c axis, forming C(5) chains. A region of disordered electron density, most probably disordered methanol–water solvent molecules, was treated with the SQUEEZE routine in PLATON [Spek (2009). Acta Cryst. D65, 148–155]. The formula mass and unit-cell characteristics do not take into account this disordered solvent.
O hydrogen bonds. Molecules are further connected through C—HO hydrogen bonds into a hexameric unit generating an R66(66) motif. Another C—HO interaction connects the molecules along the c axis, forming C(5) chains. A region of disordered electron density, most probably disordered methanol–water solvent molecules, was treated with the SQUEEZE routine in PLATON [Spek (2009). Acta Cryst. D65, 148–155]. The formula mass and unit-cell characteristics do not take into account this disordered solvent.
