(E)-N'-[(2-Hy-droxy-1-naphthalen-1-yl)methyl-idene]-3-methyl-benzohydrazide.

In the title compound, C19H16N2O2, the benzene ring and naphthyl ring system are inclined at a dihedral angle of 16.1 (3)°. An intra­molecular O—H⋯N hydrogen bond influences the mol­ecular conformation. In the crystal, mol­ecules are linked through N—H⋯O hydrogen bonds into chains running along the a axis.