Acta Cryst. (2008). E64, o1864 [ doi:10.1107/S1600536808027426 ]
Abstract: The title compound, C14H12N2O3, was synthesized by the condensation of salicylaldehyde with 3-hydroxybenzohydrazide. The dihedral angle between the two benzene rings is 12.4 (2)°. The 2-hydroxy group forms an intramolecular O-HN hydrogen bond with the imide N atom. Molecules are linked through intermolecular O-HO and N-HO hydrogen bonds into a two-dimensional polymeric structure parallel to the ab plane.
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