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| Figure 1 A view of the contents of the asymmetric unit in (I). Displacement ellipsoids are drawn at the 50% probability level. Cordinative bonds to Na+ ions are denoted by thin lines and a hydrogen bond by a dashed line. |
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| Figure 1 A view of the contents of the asymmetric unit in (I). Displacement ellipsoids are drawn at the 50% probability level. Cordinative bonds to Na+ ions are denoted by thin lines and a hydrogen bond by a dashed line. |