| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Pyrimidines | 100 | + | |
| 2 | Azoles | 43 | + | |
| 3 | Pyridines | 15 | + | |
| 4 | Pyrrolidines | 11 | + | |
| 5 | Lactams | 7 | + | |
| 6 | Piperazines | 7 | + | |
| 7 | Furans | 7 | + | |
| 8 | Pyrans | 6 | + | |
| 9 | Piperidines | 4 | + | |
| 10 | Triazines | 3 | + | |
| 11 | Thiophenes | 2 | + | |
| 12 | Thiazines | 2 | + | |
| 13 | Oxazines | 2 | + | |
| 14 | Pyrazines | 1 | + |