Acta Cryst. (2002). E58, o680-o681 [ doi:10.1107/S1600536802008863 ]
Abstract: The structure of the title compound, C13H10N2O2, comprises a twisted molecule with a dihedral angle of 37.81 (9)°. In the solid state, the molecules exist as typical 2(1H)-pyridone dimers via a hydrogen-bonding interaction from the N-H group to the O atom.
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