| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Aminopyridines | 100 | + | |
| 2 | Nicotinic Acids | 84 | + | |
| 3 | 2-Pyridinylmethylsulfinylbenzimidazoles | 76 | + | |
| 4 | Dihydropyridines | 38 | + | |
| 5 | Pyridones | 31 | + | |
| 6 | Doxylamine | 18 | + | |
| 7 | Carbolines | 16 | + | |
| 8 | Picolines | 15 | + | |
| 9 | Pyridinium Compounds | 11 | + | |
| 10 | Tolperisone | 10 | + | |
| 11 | Nicotine | 10 | + | |
| 12 | Pheniramine | 9 | + | |
| 13 | Thienopyridines | 3 | + |