Acta Cryst. (2013). E69, o583 [ doi:10.1107/S1600536813007228 ]
Abstract: In the title compound, C4H3BrClN3, the pyrimidine ring is essentially planar (r.m.s. deviation from the plane = 0.087 Å). In the crystal, pairs of N-HN hydrogen bonds connect the molecules into inversion dimers; these are connected by further N-HN hydrogen bonds into a two-dimensional framework parallel to the bc plane.
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