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Figure 1 The one-dimensional structure of the title compound with the atom-labelling scheme. Displacement ellipsoids are drawn at the 30% probability level. H atoms have been omitted for clarity. [Symmetry codes: (i) 1 − x, y, 3/2 - z; (ii)x, y − 1, z; (C) x, y + 1, z; (iii) 1 − x, 1 + y, − z.]. |