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