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Figure 2 A packing diagram for (I), showing the C—H⋯O hydrogen bonds and C—H⋯π interactions. H atoms not involved in hydrogen bonding (dashed lines) have been omitted for clarity. [Symmetry code; (i): x,1/2 − y,- + z; (ii): 1 − x,1 − y,1 − z]. (Cg1 is the centroid of the C1—C6 ring). |