N′-(4-Hydr­oxy-3-methoxy­benzyl­idene)isonicotinohydrazide monohydrate

The asymmetric unit of the title compound, C14H13N3O3·H2O, contains one mol­ecule of N′-(4-hydr­oxy-3-methoxy­benzyl­idene)isonicotinohydrazide and one solvent water mol­ecule. The crystal packing is stabilized by O—H⋯N and O—H⋯O hydrogen bonds.