Acta Cryst. (2013). E69, o1498 [ doi:10.1107/S1600536813024112 ]
Abstract: In the title zwitterion, C17H12N2O2, the dihedral angle between the benzene ring and naphthalene ring system is 11.76 (7)° and an intramolecular N-HO hydrogen bond exists. In the crystal, molecules are linked via pairs of C-HO hydrogen bonds, forming inversion dimers.
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