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Figure 1 The molecular structure of the title compound showing the atom labeling scheme. Displacement ellipsoids are drawn at the 25% probability level and H atoms are shown as small spheres of arbitrary radius. Cg1, Cg2, Cg3 and Cg4 denote the ring centroids. The O—H⋯O and C—H⋯O hydrogen bonds are represented by dashed lines. |