| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Pheniramine | 100 | + | |
| 2 | Picolines | 52 | + | |
| 3 | Nicotinyl Alcohol | 36 | + | |
| 4 | Nicotinic Acids | 19 | + | |
| 5 | Aminopyridines | 17 | + | |
| 6 | Nicotine | 17 | + | |
| 7 | 2-Pyridinylmethylsulfinylbenzimidazoles | 13 | + | |
| 8 | Picolinic Acids | 8 | + | |
| 9 | Carbolines | 7 | + | |
| 10 | Pyridones | 5 | + | |
| 11 | Dihydropyridines | 5 | + | |
| 12 | Metyrapone | 4 | + | |
| 13 | Isonicotinic Acids | 3 | + | |
| 14 | Disopyramide | 2 | + | |
| 15 | Indinavir | 2 | + | |
| 16 | Thienopyridines | 1 | + |