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Acta Cryst. (2009). E65, o300 [ doi:10.1107/S1600536809000877 ]
Abstract: The title compound, C4H5N3O2, features an essentially planar molecule (r.m.s. deviation for all non-H atoms = 0.013 Å). The crystal structure is stabilized by intermolecular N-H
O hydrogen bonds and
-
stacking interactions (centroid-centroid distance 3.882 Å).
Online 14 January 2009
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