SEARCH Articles Figures Tables Electrophiles reactivity Electrophilic Substitution Reactivity Electrophilic reactivity Electrophilic substitution relative reactivities Furan substitution Furans 2-substituted Furans electrophilic substitution, relative Furans reactivity Reactive electrophiles Reactivity electrophilicity Reactivity relative reactivities Reactivity substitution Relative reactivities