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Figure 2 The arrangement of the ions in the crystal structure. The C–H⋯O interactions are represented by dashed lines, the C–H⋯π and π–π interactions by dotted lines. H atoms not involved in interactions have been omitted. [Symmetry codes: (i) x − 1, y, z; (ii) x, −y + , z + ; (iii) x + 1, −y + , z + ; (iv) x + 1, y, z; (v) −x, -y+2, −z + 1.] |