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Figure 1 Part of the structure of the title compound, showing the atom-numbering scheme and with displacement ellipsoids drawn at the 35% probability level. H atoms have been omitted for clarity. [symmetry codes: (A) −x, y, −z + ; (B) −x + 1, y, −z + ; (C) x − , y + , z; (D) −x + , y + , −z + ; (E) x + , y + , −z] |