| Bridged-Ring Compounds (5 tracked articles) |
| Fused-Ring Compounds (1,178 tracked articles) |
| Macrocyclic Compounds (48 tracked articles) |
| Polycyclic Aromatic Hydrocarbons (67 tracked articles) |
| Polycyclic Sesquiterpenes (2 tracked articles) |
| Spiro Compounds (5 tracked articles) |