1-Allyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide655249-87-932 % similar 1-Butyl-2,3-dimethylimidazolium bromide475575-45-232 % similar 1-Butyl-2,3-dimethylimidazolium chloride98892-75-232 % similar 1-Ethyl-3-methylimidazolium P-toluenesulfonate328090-25-131 % similar 1,3-Dimethylimidazolium iodide4333-62-430 % similar 1,3-Dimethylimidazolium chloride79917-88-730 % similar