SEARCH Articles Figures Tables 1 -Butyl-3-methylimidazolium 1-butyl-3-methylimidazolium [BMIM BMIM L- -3-methylimidazolium L-Butyl-3-methylimidazolium hexafluorophosphate ([bmim L-Butyl-5- L-butyl-3-methylimidazolium L-n-butyl-3-methylimidazolium [BMIM Methylimidazolium