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Figure 1 Fig. 1 The structure of (I), showing the atom-numbering scheme and displacement. Ellipsoids are at the 50% probability level. Water molecules are omitted for clarity·Atoms marked with a, c, d and e suffixes are related by the symmetry codes: (a: x − 1, y, z; b: x + 1, y, z; c: −x, −y, −z; d: −x + 1, −y, -z; e: -x, −y, -z+1). |