| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Bicyclo Compounds, Heterocyclic | 100 | + | |
| 2 | Quinolines | 73 | + | |
| 3 | Purines | 45 | + | |
| 4 | Benzimidazoles | 16 | + | |
| 5 | Benzopyrans | 13 | + | |
| 6 | Isoquinolines | 12 | + | |
| 7 | Naphthyridines | 6 | + | |
| 8 | Pteridines | 4 | + | |
| 9 | Indoles | 4 | + | |
| 10 | Benzofurans | 1 | + | |
| 11 | Quinazolines | 1 | + | |
| 12 | Isoindoles | 1 | + | |
| 13 | Benzoxazines | 1 | + | |
| 14 | Indolizines | 1 | + |