| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | gamma-Aminobutyric Acid | 100 | + | |
| 2 | Cyclohexanecarboxylic Acids | 89 | + | |
| 3 | Amines | 87 | + | |
| 4 | Betahistine | 72 | + | |
| 5 | Nicergoline | 60 | + | |
| 6 | Nipecotic Acids | 47 | + | |
| 7 | Flunarizine | 38 | + | |
| 8 | Midodrine | 36 | + | |
| 9 | Prazosin | 36 | + | |
| 10 | Mefloquine | 35 | + | |
| 11 | Phenylenediamines | 35 | + | |
| 12 | Acetates | 33 | + | |
| 13 | Sodium Oxybate | 31 | + | |
| 14 | Dibenzothiazepines | 31 | + | |
| 15 | Piracetam | 29 | + | |
| 16 | Meperidine | 28 | + | |
| 17 | Oxycodone | 28 | + | |
| 18 | Tramadol | 25 | + | |
| 19 | Triazines | 25 | + | |
| 20 | Carbamates | 24 | + | |
| 21 | Isoxazoles | 24 | + | |
| 22 | Acetaminophen | 23 | + | |
| 23 | Cyclohexanols | 22 | + | |
| 24 | Acetamides | 21 | + | |
| 25 | Tryptamines | 21 | + | |
| 26 | Carbamazepine | 21 | + | |
| 27 | Pyridines | 18 | + | |
| 28 | Tetrazoles | 17 | + | |
| 29 | Piperidines | 17 | + | |
| 30 | Benzodiazepines | 16 | + | |
| 31 | Piperazines | 16 | + | |
| 32 | Indoles | 16 | + | |
| 33 | Sulfonamides | 15 | + | |
| 34 | Artemisinins | 15 | + | |
| 35 | Valproic Acid | 15 | + | |
| 36 | Hydrochlorothiazide | 15 | + | |
| 37 | Morphine | 11 | + |