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Figure 2 A view along the b-axis of the intermolecular contacts in the crystal of the title compound [Blue dashed lines indicate N-H⋯Br hydrogen bonds, green dashed lines C–H⋯O contacts and yellow dashed lines C–H⋯Br contacts; see Table 1 for details; Symmetry operators: (i) x − 1, y − 2, z; (ii) −x + 2, y − , −z + ; (iii) −x + 3, y − ,-z + ; (iv) x + 1, y + 2, z; (v) −x + 2, −y + 1, −z; (vi) x, y − 1, z]. |