| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Dihydropyridines | 100 | + | |
| 2 | Aminopyridines | 81 | + | |
| 3 | Nicotinic Acids | 23 | + | |
| 4 | Pyridones | 23 | + | |
| 5 | Thienopyridines | 10 | + | |
| 6 | Disopyramide | 10 | + | |
| 7 | 2,2'-Dipyridyl | 8 | + | |
| 8 | Pyridinium Compounds | 8 | + | |
| 9 | Carbolines | 3 | + | |
| 10 | Isonicotinic Acids | 2 | + | |
| 11 | Picolines | 2 | + | |
| 12 | Nicotine | 1 | + |