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Figure 2 A packing diagram for (I), displaying the intermolecular ef C—H⋯π interactions (dashed lines). For clarity, only H atoms involved in C—H⋯π hydrogen bonding have been included. [Symmetry codes: (i) 1–x, + y, 3/2–z; (ii) –x, y–1/2, 3/2–z; (iii) 1 + x, y, z; (iv) x–1, y, z]. |