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Figure 2 Crystal packing of the title compound with intermolecular N—H⋯N hydrogen bonds shown as dashed lines. H atoms not involved in intermolecular interactions have been omitted for clarity. [Symmetry codes: (i) −x + , y + , −z + ; (ii) −x + , y − , −z + ; (iii) −x + 1, −y + 1, −z + 1; (iv) x + , −y + , z + ; (v) x + , −y − 1.5, z + .] |