| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Opiate Alkaloids | 100 | + | |
| 2 | Indole Alkaloids | 66 | + | |
| 3 | Solanaceous Alkaloids | 31 | + | |
| 4 | Tropanes | 31 | + | |
| 5 | Xanthines | 27 | + | |
| 6 | Benzylisoquinolines | 22 | + | |
| 7 | Benzophenanthridines | 20 | + | |
| 8 | Ergot Alkaloids | 17 | + | |
| 9 | Cinchona Alkaloids | 8 | + |