| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Dihydropyridines | 100 | + | |
| 2 | Aminopyridines | 79 | + | |
| 3 | Nicotinic Acids | 48 | + | |
| 4 | Thienopyridines | 27 | + | |
| 5 | Pyridones | 26 | + | |
| 6 | Picolines | 21 | + | |
| 7 | Pyridinium Compounds | 17 | + | |
| 8 | Metyrapone | 16 | + | |
| 9 | 2-Pyridinylmethylsulfinylbenzimidazoles | 11 | + | |
| 10 | Disopyramide | 11 | + | |
| 11 | Carbolines | 8 | + | |
| 12 | Nicotine | 8 | + | |
| 13 | Isonicotinic Acids | 6 | + | |
| 14 | Pyrithioxin | 4 | + | |
| 15 | 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine | 3 | + | |
| 16 | Pheniramine | 2 | + | |
| 17 | Picolinic Acids | 2 | + | |
| 18 | Betahistine | 2 | + |