SEARCH Articles Figures Tables Nitrothiophenes, vicarious nucleophilic substitution Nucleophilic substitution, vicarious 1.2.4- triazines Pyridine Vicarious nucleophilic substitution VNS, vicarious nucleophilic substitution Vicarious nucleophilic Vicarious nucleophilic aromatic substitution Vicarious nucleophilic substitution arenes Vicarious nucleophilic substitution mechanism Vicarious nucleophilic substitution of hydrogen Vicarious nucleophilic substitution reactions Vicarious nucleophilic substitutions , aromatic hydrogens Vicarious substitutions