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Figure 3 A packing diagram of the title compound, viewed along the b axis. Dashed lines indicate intermolecular O—H⋯O and C—H⋯O hydrogen bonds. [Symmetry codes: (i) x − , −y + , z + ; (ii) −x + , y + , −z + ; (iii) −x + , y − , −z + ; (iv) 1 − x, −y, 1 − z; (v) −x, −y, 1 − z.] |