SEARCH Articles Figures Tables Aromaticity aromatic heterocycles Aromaticity heterocyclics Diels-Alder reaction with aromatic heterocycles Heterocycles aromatic Heterocycles aromatization Heterocycles reaction Heterocyclic aromatics Heterocyclization reactions Nucleophiles, reaction with aromatic heterocyclic bases Reactions heterocyclic aromatic compounds Replacement of NH2 in aromatic or heterocyclic compounds by fluorine (Schiemann reaction)