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organic compounds
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In the title compound, C7H6N4O2, rings are almost coplanar, the dihedral angle between them being 8.45 (13)°. An intramolecular N—H
O hydrogen bond occurs. In the crystal, the molecules are linked by O—HN and N—HO hydrogen bonds into a three-dimensional network.
O hydrogen bond occurs. In the crystal, the molecules are linked by O—HN and N—HO hydrogen bonds into a three-dimensional network.
