Acta Cryst. (2004). E60, o2488-o2490 [ doi:10.1107/S1600536804030867 ]
Abstract: In the title compound, C10H8N2O4S, the dihedral angle between the pyrrole and benzene rings is 77.9 (1)°. Intermolecular C-HO hydrogen bonds stabilize the crystal structure, forming molecular chains extending approximately parallel to the c axis and stacked along the b axis.
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