| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Aminopyridines | 100 | + | |
| 2 | Nicotinic Acids | 22 | + | |
| 3 | Picolines | 18 | + | |
| 4 | Thienopyridines | 16 | + | |
| 5 | Dihydropyridines | 15 | + | |
| 6 | Metyrapone | 13 | + | |
| 7 | Pyridones | 10 | + | |
| 8 | Pyridinium Compounds | 9 | + | |
| 9 | 2-Pyridinylmethylsulfinylbenzimidazoles | 8 | + | |
| 10 | Nicotine | 7 | + | |
| 11 | 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine | 7 | + | |
| 12 | Carbolines | 5 | + | |
| 13 | Disopyramide | 5 | + | |
| 14 | Pyrithioxin | 3 | + | |
| 15 | Isonicotinic Acids | 2 | + | |
| 16 | Betahistine | 1 | + | |
| 17 | Picolinic Acids | 1 | + | |
| 18 | Pheniramine | 1 | + |