| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Benzopyrans | 100 | + | |
| 2 | Purines | 38 | + | |
| 3 | Indoles | 25 | + | |
| 4 | Quinazolines | 7 | + | |
| 5 | Isoquinolines | 4 | + | |
| 6 | Quinolines | 3 | + | |
| 7 | Quinoxalines | 2 | + | |
| 8 | Benzazepines | 2 | + | |
| 9 | Pteridines | 2 | + | |
| 10 | Benzimidazoles | 2 | + | |
| 11 | Benzothiazoles | 1 | + | |
| 12 | Bicyclo Compounds, Heterocyclic | 1 | + | |
| 13 | Benzothiadiazines | 1 | + | |
| 14 | Indazoles | 1 | + | |
| 15 | Quinolizines | 1 | + |