| Principios activos | Valoración | Bibliogr. | Expandir | |
|---|---|---|---|---|
| 1 | Pirimidinas | 100 | + | |
| 2 | Azoles | 75 | + | |
| 3 | Piperidinas | 32 | + | |
| 4 | Piridinas | 32 | + | |
| 5 | Pirrolidinas | 25 | + | |
| 6 | Tiazinas | 11 | + | |
| 7 | Pirazinas | 9 | + | |
| 8 | Azirinas | 7 | + | |
| 9 | Furanos | 5 | + | |
| 10 | Piridazinas | 5 | + | |
| 11 | Azepinas | 4 | + | |
| 12 | Oxazinas | 3 | + | |
| 13 | Piranos | 1 | + | |
| 14 | Dioxoles | 1 | + | |
| 15 | Tiofenos | 1 | + | |
| 16 | Triazinas | 1 | + |