| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Dihydropyridines | 100 | + | |
| 2 | Nicotinic Acids | 41 | + | |
| 3 | 2-Pyridinylmethylsulfinylbenzimidazoles | 18 | + | |
| 4 | Picolines | 16 | + | |
| 5 | Carbolines | 14 | + | |
| 6 | Pyridones | 14 | + | |
| 7 | Aminopyridines | 12 | + | |
| 8 | Pyridinium Compounds | 10 | + | |
| 9 | Nicotine | 8 | + | |
| 10 | Thienopyridines | 6 | + | |
| 11 | Betahistine | 5 | + | |
| 12 | Pheniramine | 5 | + | |
| 13 | Picolinic Acids | 4 | + | |
| 14 | Metyrapone | 4 | + | |
| 15 | 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine | 4 | + | |
| 16 | Quinolinic Acids | 2 | + | |
| 17 | Isonicotinic Acids | 1 | + | |
| 18 | Nicotinyl Alcohol | 1 | + | |
| 19 | Nevirapine | 1 | + | |
| 20 | Indinavir | 1 | + |