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Figure 3
The S(5) ring motifs formed by intra­molecular O—H⋯N hydrogen bonds involving the hy­droxy groups and quinoline N atoms of the HqSA anionic units. The intra­molecular O—H⋯N hydrogen bonds are shown as dashed lines. The sheet structure of the HqSA anionic units is formed by the planar inter­molecular hydrogen-bond networks in the ab plane. The inter­molecular O—H⋯O, C—H⋯O, O—H⋯N hydrogen bonds are also shown as dashed lines. [Symmetry codes: (i) x, y − 1, z; (ii) x − 1, y, z; (iii) x − 1, y − 1, z; (iv) x + 1, y, z.].

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