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Abstract:
In the title molecule, C9H11N3O2S, an intramolecular O—H⋯N hydrogen bond generates an S(6) ring motif. In the crystal, molecules are linked via pairs of N—H⋯S interactions, forming inversion dimers with R 2 2(8) ring motifs. These dimers are further linked via N—H⋯S and N—H⋯O hydrogen bonds, forming a two-dimensional network lying parallel to (100). The crystal structure is further stabilized by intermolecular π–π interactions [centroid–centroid distance = 3.7972 (9) Å].