The title compound, C(4)H(5)N(3)O(2), features an essentially planar mol-ecule (r.m.s. deviation for all non-H atoms = 0.013 Å). The crystal structure is stabilized by inter-molecular N-H⋯O hydrogen bonds and π-π stacking inter-actions (centroid-centroid distance 3.882 Å).
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| http://dx.doi.org/10.1107/S1600536809000877 | DOI Listing |
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