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Figure 2 Cl⋯Cl and C-H⋯O=C interactions in the crystalline structure of the title compound. The blue dashed lines indicate Cl⋯Cl interaction, while the red dashed lines represent C—H⋯O=C interactions. All the π–π stacking interactions are omitted for clarity. Symmetry codes: iii-x + 1, −y + 1, −z + 2; iv-x + 1, y − , −z + . |