Acta Cryst. (2010). E66, o35 [ doi:10.1107/S1600536809050727 ]
Abstract: In the title compound, C13H14ClN5, the piperazine ring adopts a chair conformation and the dihedral angle between the aromatic rings is 13.91 (7)°. The crystal structure is stabilized by weak intermolecular C-HN hydrogen-bond interactions.
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