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Figure 1 The title molecules with the atom-numbering scheme and assigned labels to the rings (see text). The displacement ellipsoids are drawn at the 50% probability level. The H atoms are presented as small spheres of arbitrary radius. |
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Figure 1 The title molecules with the atom-numbering scheme and assigned labels to the rings (see text). The displacement ellipsoids are drawn at the 50% probability level. The H atoms are presented as small spheres of arbitrary radius. |