Phenacenes are a class of organic compounds consisting of fused aromatic rings. They are polycyclic aromatic hydrocarbons, related to acenes and helicenes from which they differ by the arrangement of the fused rings.
| [n]Phenacene | Common name | Structure |
|---|---|---|
| [4]phenacene | Chrysene | 
|
| [5]phenacene | Picene | 
|
| [6]phenacene | Fulminene | 
|
| [7]phenacene | 
|