| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Indoles | 100 | + | |
| 2 | Purines | 79 | + | |
| 3 | Benzothiadiazines | 70 | + | |
| 4 | Benzazepines | 50 | + | |
| 5 | Quinazolines | 47 | + | |
| 6 | Benzopyrans | 39 | + | |
| 7 | Isoquinolines | 34 | + | |
| 8 | Benzimidazoles | 27 | + | |
| 9 | Isoindoles | 16 | + | |
| 10 | Quinolines | 15 | + | |
| 11 | Pteridines | 10 | + | |
| 12 | Benzofurans | 8 | + | |
| 13 | Quinoxalines | 6 | + | |
| 14 | Indazoles | 2 | + | |
| 15 | Bicyclo Compounds, Heterocyclic | 1 | + | |
| 16 | Pyrrolizidine Alkaloids | 1 | + | |
| 17 | Quinolizines | 1 | + | |
| 18 | Benzodioxoles | 1 | + |