Acta Cryst. (2005). E61, o486-o488 [ doi:10.1107/S1600536805002047 ]
Abstract: The title compound, C13H10ClN5O2, crystallizes with two molecules in the asymmetric unit. These are connected by five hydrogen bonds, viz. three N-HN interactions, two longer C=O·H-N interactions, bifurcated at the O atom, and a C-HN contact.
Online 29 January 2005
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