| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Quinolizines | 100 | + | |
| 2 | Indoles | 70 | + | |
| 3 | Benzazepines | 67 | + | |
| 4 | Purines | 37 | + | |
| 5 | Isoquinolines | 32 | + | |
| 6 | Benzothiazoles | 27 | + | |
| 7 | Benzopyrans | 25 | + | |
| 8 | Pteridines | 20 | + | |
| 9 | Benzoxazoles | 12 | + | |
| 10 | Quinolines | 5 | + | |
| 11 | Benzimidazoles | 4 | + | |
| 12 | Benzofurans | 3 | + | |
| 13 | Isoindoles | 1 | + | |
| 14 | Quinazolines | 1 | + | |
| 15 | Bicyclo Compounds, Heterocyclic | 1 | + | |
| 16 | Thienopyridines | 1 | + |