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Figure 2 A packing diagram of the title compound, showing two crystallographically independent chains formed by N—H⋯O and O—H⋯N hydrogen bonds (dashed lines). H atoms not involved in the hydrogen bonds have been omitted. [Symmetry codes: (i) x, y, z − 1; (ii) x, y + 1, z + 1; (viii) x, y, z + 1; (ix) x, y − 1, z − 1.] |