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![[Figure 4]](qs3054fig4mag.jpg)
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Figure 4
(a) Molecules of (II) are linked into dimers across twofold axes of rotation by carboxylic acid–sulfone O—H⋯O hydrogen bonds (dashed lines). The view is onto the (010) plane. [Symmetry code: (#) −x + 2, y + 1, −z + 1.] (b) An alternative view of the packing showing the zigzag arrangement of the arene rings. Displacement ellipsoids are drawn at the 70% probability level. |
![[Figure 4]](qs3054fig4.jpg)
 | STRUCTURAL CHEMISTRY |
ISSN: 2053-2296
