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Figure 4
A view of (II) , showing the atom-labelling scheme. Displacement ellipsoids are drawn at the 50% probability level and H atoms are shown as small spheres of arbitrary radii. Dashed lines indicate hydrogen bonds. Note the trifurcated hydrogen bonding of the C9—H9 group. [Symmetry code: (i) −x, 2 − y, −z.] |


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