The mol-ecule of the title compound, C(6)H(6)N(4)O(4), is almost planar, being stabilized by two intra-molecular N-H⋯O hydrogen bonds. Further N-H⋯O links lead to a sheet in the crystal structure.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2961321 | PMC |
http://dx.doi.org/10.1107/S1600536808009318 | DOI Listing |
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