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Figure 2 A view of the intermolecular O—H⋯Br/O—H⋯Nnitrile hydrogen bonding interactions (dashed lines) forming a helical one-dimensional chain, with displacement ellipsoids shown at the 50% probability level. See Table 1 for symmetry code (i). A thin solid line indicates an intramolecular O—H⋯Br hydrogen bond, and a thick solid line indicates a π-stacking centroid-to-centroid interaction. |