SEARCH Articles Figures Tables Fused compounds Isoquinoline-fused polycyclic compound Nomenclature fused polycyclic compounds 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