Acta Cryst. (2012). E68, o129 [ doi:10.1107/S1600536811053074 ]
Abstract: The title molecule, C16H13N3O7, is slightly twisted, with the dihedral angle between the two benzene ring planes being 17.4 (1)°. An intramolecular N-HO hydrogen bond is observed. In the crystal, weak C-HO hydrogen bonds link the molecules into chains along the b axis.
Online 14 December 2011
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