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1-BUTYL-3-METHYLIMIDAZOLIUM IODIDE 1-BUTYL-3-METHYLIMIDAZOLIUM HYDROGENSULFATE 1-Butyl-3-methylimidazolium bromide 1-Butyl-3-methylimidazolium chloride 1-BUTYL-3-METHYLIMIDAZOLIUM THIOCYANATE 1-BUTYL-3-METHYLIMIDAZOLIUM NITRATE 1-Butyl-3-methylimidazolium hexafluorophosphate 1-METHYL-3-PROPYLIMIDAZOLIUM BROMIDE