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Acta Cryst. (2006). E62, o2589-o2591 [ doi:10.1107/S1600536806020228 ]
O and C-H
O hydrogen bondsAbstract: Molecules of the title compound, C13H10N4O5, are linked into sheets by a combination of two N-H
O hydrogen bonds and one C-H
O hydrogen bond.
Online 9 June 2006
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