SEARCH Articles Figures Tables Anisotropy due to Aromatic Systems Aromaticity, Antiaromaticity, Ring-current Phenomena, etc Aromatic compounds fused ring systems Aromatic ring systems, comparison Aromatic systems Carboxylation of the aromatic ring system Compounds of Aromatic Ring Systems Compounds of Aromatic Ring Systems E. O. Fischer and H. P. Fritz Compounds of Aromatic Ring Systems and Metals Extended aromatic ring systems Hydrogenation of Nitrogen-containing Aromatic Ring Systems Hydrogenation of Oxygen- and Sulfur-containing Aromatic Ring Systems Hydrogenation of Polycyclic Aromatic Ring Systems Oxidation aromatic ring systems Oxidative cleavage of fused aromatic ring systems Polar Cycloadditions in Which the Electrophilic System Contains Two Atoms of an Aromatic Ring Ring systems, aromatization