| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Indole Alkaloids | 100 | + | |
| 2 | Veratrum Alkaloids | 53 | + | |
| 3 | Camptothecin | 43 | + | |
| 4 | Benzylisoquinolines | 29 | + | |
| 5 | Ergot Alkaloids | 14 | + | |
| 6 | Swainsonine | 8 | + | |
| 7 | Amaryllidaceae Alkaloids | 6 | + | |
| 8 | Emetine | 5 | + | |
| 9 | Benzophenanthridines | 4 | + | |
| 10 | Colchicine | 3 | + | |
| 11 | Arecoline | 3 | + | |
| 12 | Xanthines | 2 | + |