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Figure 1 A view of compound (I), with displacement ellipsoids shown at the 50% probability level. H atoms are drawn as spheres of arbitrary radii. The hydrogen bonding is shown by dashed lines [symmetry codes: (i) 1 + x, y, z; (ii) x, 1.5 − y, − + z; (iii) 1 + x, 1.5 − y, + z; (iv)1 − x, 1 − y, − z; (v) 1 − x, − + y, − z]. |