13 , 15 , 16 , 17 , 18 , 22 The effect of the cationic head group is complicated with a clear trend difficult to establish due to the structural diversity of ILs.
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13 , 15 , 16 , 17 , 18 , 22 The effect of the cationic head group is complicated with a clear trend difficult to establish due to the structural diversity of ILs.