Acta Cryst. (2013). E69, o818 [ doi:10.1107/S1600536813011380 ]
Abstract: The molecules of the title compound, C15H14N2O3, possesses crystallographically imposed twofold rotational symmetry, so the asymmetric unit contains one half-molecule. The fused-ring system deviates significantly from planarity; the planes of the five- and six-membered rings are twisted with respect to each other by 3.0 (1)°. In the crystal, weak C-HO hydrogen bonds link molecules related by translation in  into chains.
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