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Figure 2 A larger portion of the crystal structure of (I), showing the formation of a hydrogen-bonded chain built from C—H⋯π. For clarity, H atoms not involved in the hydrogen bonding have been omitted. Dashed lines indicate hydrogen bonds. [Symmetry codes: (A) 1 − x, − + y, − z, (B) 1 − x, + y, − z]. |