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Figure 2 The R22(8)R21(5) ring motifs and π⋯π interactions of (I), with C For the sake of clarity, H atoms not involved in the hydrogen bonding motifs shown have been omitted; hydrogen bonds are drawn as dashed lines. [Symmetry codes: (i) −x, 1-y, 1-z; (ii) x − , y, z + ]. |