Acta Cryst. (2012). E68, o209 [ doi:10.1107/S1600536811053888 ]
Abstract: The asymmetric unit of the title compound, C8H7N3O5, contains two independent molecules in which the amide plane is oriented at dihedral angles of 29.82 (2) and 31.17 (2)° with respect to the benzene ring. In the crystal, molecules are connected via intermolecular N-HO hydrogen bonds, forming chains running along the b axis.
Online 21 December 2011
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