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Figure 3 A partial packing view of (I), showing the intermolecular C—H⋯π and π⋯π interactions as dashed lines. H atoms not involved in hydrogen bonding have been omitted for clarity. [Symmetry codes; (i): 1 − x, −y + 2, 1 − z; (ii): 1 − x, 1 − y, 1 − z]. |