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1,2-DIMETHYL-3-PROPYLIMIDAZOLIUM IODIDE 1-BUTYL-3-METHYLIMIDAZOLIUM IODIDE 1-BUTYL-3-METHYLIMIDAZOLIUM HYDROGENSULFATE 1-Butyl-3-methylimidazolium bromide 1-Butyl-3-methylimidazolium chloride 1-BUTYL-3-METHYLIMIDAZOLIUM NITRATE 1-BUTYL-3-METHYLIMIDAZOLIUM DICYANAMIDE 1-Butyl-3-methylimidazolium hexafluorophosphate 1-METHYL-3-PROPYLIMIDAZOLIUM BROMIDE 1-ETHYL-3-METHYLIMIDAZOLIUM THIOCYANATE