| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Pipecolic Acids | 100 | + | |
| 2 | Fentanyl | 34 | + | |
| 3 | Mepivacaine | 9 | + | |
| 4 | Domperidone | 8 | + | |
| 5 | Cyproheptadine | 7 | + | |
| 6 | Isonipecotic Acids | 6 | + | |
| 7 | Piperidones | 4 | + | |
| 8 | Loperamide | 3 | + | |
| 9 | Ketanserin | 3 | + | |
| 10 | Cisapride | 2 | + | |
| 11 | Nipecotic Acids | 1 | + | |
| 12 | Phencyclidine | 1 | + |