SEARCH Articles Figures Tables Aromatic heterocycles nitrations, nitric acid Five-membered heterocycles nitration Heterocycles nitrations, nitric acid Heterocycles silver© nitrate Heterocycles, acylation nitration Heterocycles, phenyl, nitration Heterocycles, phenyl-substituted, nitration Nitrate esters from the ring-opening of strained oxygen heterocycles Nitrate esters heterocycles Nitration of aromatic and heterocyclic compounds Nitration of heterocycles Nitration of phenyl-substituted heterocycles