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Figure 2 . π–π and C—Cl⋯π interactions (dotted lines) in the crystal structure of the title compound. Cg denotes the ring centroids (see text). [Symmetry codes: (i) − x + 1, − y + 1, − z + 1; (ii) − x + 1, − y, − z + 1; (iii) − x + 1, − y, − z; (iv) x, y + 1, z] |