| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Naphthacenes | 100 | + | |
| 2 | Anthracenes | 60 | + | |
| 3 | Naphthalenes | 55 | + | |
| 4 | Phenanthrenes | 38 | + | |
| 5 | Benz(a)Anthracenes | 25 | + | |
| 6 | Indenes | 22 | + | |
| 7 | Spiro Compounds | 14 | + | |
| 8 | Pyrenes | 5 | + | |
| 9 | Benzocycloheptenes | 5 | + | |
| 10 | Fluorenes | 4 | + | |
| 11 | Phenalenes | 4 | + | |
| 12 | Azulenes | 1 | + |