| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Indoles | 100 | + | |
| 2 | Benzopyrans | 39 | + | |
| 3 | Quinolines | 24 | + | |
| 4 | Purines | 23 | + | |
| 5 | Pteridines | 20 | + | |
| 6 | Quinazolines | 7 | + | |
| 7 | Isoquinolines | 6 | + | |
| 8 | Indazoles | 4 | + | |
| 9 | Quinoxalines | 4 | + | |
| 10 | Benzodioxoles | 2 | + | |
| 11 | Isoindoles | 2 | + | |
| 12 | Benzofurans | 1 | + |