organic compounds
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The title compound, C14H13N3O3·H2O, adopts an E conformation with respect to the azomethine bond and crystallizes in the amide form. An intramolecular O—HN hydrogen bond occurs. In the crystal, the lattice water molecule plays a major role in the supramolecular architecture by interconnecting adjacent molecules into a three-dimensional netwrok by means of O—HO, O—HN and N—HO hydrogen-bonding interactions. The structure also features two non-classical C—HO interactions.