Figure 5.
1H NMR assignment of the pure [Bpy][DCA] (A, black line), chemical shift changes of the Cring–H of the [Bpy]+ cation (B), Calkyl–H of the [Bpy]+ cation (C), and H atoms of the methyl group of DMSO (D) in [Bpy][DCA]–DMSO binary systems.
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