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| Figure 1 The molecular structure of (I). Ellipsoids are drawn at the 40% probability level (H atoms represented by arbitrary spheres). The intramolecular hydrogen bond is indicated by a dashed line. |
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| Figure 1 The molecular structure of (I). Ellipsoids are drawn at the 40% probability level (H atoms represented by arbitrary spheres). The intramolecular hydrogen bond is indicated by a dashed line. |