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Figure 4
The structure of (II)[link], showing the atom-labeling scheme. Displacement ellipsoids are drawn at the 35% probability level. The improper fourfold axis passes through atoms C2 and C2i. [Symmetry codes: (i) y, −x, −z; (ii) −x, −y, z; (iii) −y, x, −z.]

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CHEMISTRY
ISSN: 2053-2296
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