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Figure 2 View of regular arrangement of molecules (1) directed by strong hydrogen bonding to form two-dimensional layers and face-to-face π⋯π stacking interactions between adjacent benzoate and pyridyl groups of PBC. Symmetry codes: (i) −x + 1, y, −z + ; (ii) −x + , −y + , −z; (iii) x + , y − , z; (iiii) x + , y + , z. |