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Acta Cryst. (2012). E68, o230  [ doi:10.1107/S160053681105416X ]


Y.-M. Zhang, J.-J. Ming, J.-P. Dang, W.-Q. Zhang and T.-B. Wei

Abstract: The title compound, C9H8N2O8, was obtained by the reaction of imidazole-4,5-dicarboxylic acid and 2-chloroacetic acid. An intramolecular O-H...O hydrogen bond occurs. The crystal packing is stabilized by intermolecular O-H...O and C-H...O hydrogen bonds, which link molecules into a three-dimensional network.

Online 23 December 2011

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