International Union of Crystallography, Acta Crystallographica Section C: Crystal Structure Communications, 9(61), p. o548-o550, 2005
DOI: 10.1107/s0108270105024406
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In the title compound, C11H17N5O4, the bond distances show evidence of a highly polarized molecular-electronic structure. The molecules are linked into a three-dimensional framework by a combination of O-H center dot center dot center dot O and N-H center dot center dot center dot O hydrogen bonds, including a very short O-H center dot center dot center dot O hydrogen bond [H center dot center dot center dot O = 1.67 angstrom, O center dot center dot center dot O = 2.494 (2) angstrom and O-H center dot center dot center dot O = 166 degrees].