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Figure 2 . Fragment of the 2D hydrogen-bonded layer in the crystal structure of the title compound, showing motifs II-V. Displacement ellipsoids are drawn at the 50% probability level and H atoms are shown as small spheres ofarbitrary radii. Symmetry operators: (i)−x, 1/2 + y, 1/2− z; (ii) 1− x, 1/2 + y, 1/2− z. |
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