SEARCH Articles Figures Tables 7-Substituted fused ring tetracycline compounds And fused ring compounds Aromatic compounds fused ring systems CARBOCYCLIC COMPOUNDS FUSED TO A BENZENE RING Compounds containing Fused Five- and Six-Membered Rings Compounds containing Three or Four Fused Heterocyclic Rings (5,5,5), (5,5,6), (5,5,7), (5,6,7), and Compounds containing Two Fused Five-Membered Rings Cycloaddition reactions fused ring compounds Fused compounds Fused ring aromatic compounds Fused rings Fused-Ring Heterocyclic Compounds Fused-ring compounds aromatic substitution Fused-ring compounds isomerism Polycyclic Hydrocarbons, Nonalternant Compounds with Five Fused Rings Polycyclic Hydrocarbons, Nonalternant Compounds with Four Fused Rings Polycyclic Hydrocarbons, Nonalternant Compounds with Fused Rings Polycyclic Hydrocarbons, Nonalternant Compounds with More Than Five Fused Rings Polycyclic Hydrocarbons, Nonalternant Compounds with Two or Three Fused Rings Polycyclic compound, nomenclature fused-ring systems Resonance energy of fused ring compounds Rigid fused-ring compounds Ring compounds fused bicyclic molecules, structure Ring compounds fused substitution