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Figure 3 A part of the crystal structure of (I) showing the centrosymmetric dimers connected by C⋯Cl non-covalent contacts (symmetry codes: (i) −x + 1, −y + 1, −z + 1; (vii) 1 − x, 2 − y, 1 − z). Hydrogen atoms not involved in the contacts were omitted for clarity. |