SEARCH Articles Figures Tables 1 -hexyl- 3-methylimidazolium [HMIM 1- Hexyl-3-methylimidazolium tetrafluoroborate Hexyl L-Hexyl-3-methylimidazolium L-Hexyl-3-methylimidazolium bromide L-hexyl-3-methylimidazolium bis L-n-hexyl-3-methylimidazolium Methylimidazolium