SEARCH Articles Figures Tables Electrophilic Substitution of Indoles Electrophilic aromatic substitution indole Indole 2,3-substituted Indole electrophilic substitution Indole electrophilic substitution Indole, aromaticity electrophilic substitution reaction Indoles electrophilic substitution, relative Indoles electrophilic substitution, relative reactivity Indoles electrophilic substitution, sites Indoles substitution