SEARCH Articles Figures Tables Fused Polycyclic Compounds Fused compounds Fused polycyclic hydrocarbons Fused rings Fused-ring compounds Nonalternant hydrocarbons Polycyclic Hydrocarbons, Nonalternant Compounds with Five Fused Rings Polycyclic Hydrocarbons, Nonalternant Compounds with Four Fused Rings Polycyclic Hydrocarbons, Nonalternant Compounds with More Than Five Fused Rings Polycyclic Hydrocarbons, Nonalternant Compounds with Two or Three Fused Rings Rings, hydrocarbons