SEARCH Articles Figures Tables Deprotonated guanine radical cation Deprotonation donor radical cations Deprotonation proton sponge cations Deprotonation quaternary cation Deprotonation radical cations Deprotonation, of radical cations Hexamethylbenzene radical cation, deprotonation Imidazolium cation, deprotonation Imidazolium cation, deprotonation carbene formation