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Figure 1 : Crystal structure of the title compound with labelling and displacement ellipsoids drawn at the 50% probability level. Symmetry codes: i: x, y + 1, z; ii: −x + , −y + , −z + 1; iii: −x + 1, −y + 1, −z + 1; iv: −x + 1, −y + 2, −z + 1; v: −x + 1, y, −z + ; vi: x, y − 1, z. |