| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Nicotinic Acids | 100 | + | |
| 2 | Aminopyridines | 86 | + | |
| 3 | Dihydropyridines | 84 | + | |
| 4 | Pyridinium Compounds | 53 | + | |
| 5 | Pheniramine | 20 | + | |
| 6 | 2,2'-Dipyridyl | 18 | + | |
| 7 | Picolines | 15 | + | |
| 8 | Carbolines | 13 | + | |
| 9 | Pyridones | 11 | + | |
| 10 | Quinolinic Acids | 10 | + | |
| 11 | 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine | 6 | + | |
| 12 | 2-Pyridinylmethylsulfinylbenzimidazoles | 6 | + | |
| 13 | Nicotine | 5 | + | |
| 14 | Thienopyridines | 5 | + |