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Figure 3 View of the offset π–π interactions and the C–H⋯π-facial hydrogen bonds between methylene group of Ia and the imidazole and aryl rings of Ib. Dashed lines indicate the vectors between C14 and the benzimidazole and aryl centroids of Ib (Cg1, Cg4). For clarity on part of the Ia molecule is shown. |