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Figure 2 . O—H⋯O and C—H⋯π interactions (dotted lines) in the crystal structure of the title compound. Cg denotes the ring centroid. [Symmetry codes: (i) − x + , y, z − ; (ii) − x + 1, − y + 1, z − ; (iii) − x + , y, z + ; (iv) − x + 1, − y + 1, z + .] |