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Figure 1 The molecular structure of compound (I), with the atomic numbering scheme [symmetry codes: (i) 1-y, x-y, z; (ii) x, x-y, z; (iii) 1-x + y, y, z; (iv) 1-y, 1-x, z; (v) x, x-y, z]. H atoms except H1 are omitted for clarity. Displacement ellipsoids are drawn at the 50% probability level. Unlabeled atoms are related to the respective atoms C13, C14, C15, C17, and C18 of the asymmetric unit by 1-y, x-y, z. |