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Figure 2 Crystal packing of the title compound with intermolecular C–H⋯O and C–H⋯Cl hydrogen bonds and C–H⋯π interactions shown as dashed lines. H atoms not involved in intermolecular interactions have been omitted for clarity. Cg1 and Cg2 are the centroids of the C1–C6 and the C13–C18 rings, respectively. (Symmetry codes: (i) x, −y + , z − ; (ii) −x + 1, y − , −z + ; (iii) −x, −y + 1, −z; (iv) −x, y + , −z + .) |