| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Camptothecin | 100 | + | |
| 2 | Indole Alkaloids | 18 | + | |
| 3 | Opiate Alkaloids | 7 | + | |
| 4 | Benzylisoquinolines | 5 | + | |
| 5 | Ergot Alkaloids | 3 | + | |
| 6 | Xanthines | 1 | + | |
| 7 | Tropanes | 1 | + | |
| 8 | Solanaceous Alkaloids | 1 | + | |
| 9 | Colchicine | 1 | + | |
| 10 | Veratrum Alkaloids | 1 | + |