| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Metyrapone | 100 | + | |
| 2 | Pyridinium Compounds | 35 | + | |
| 3 | Nicotinic Acids | 33 | + | |
| 4 | Isonicotinic Acids | 15 | + | |
| 5 | Picolines | 9 | + | |
| 6 | Pyridones | 6 | + | |
| 7 | Dihydropyridines | 6 | + | |
| 8 | Aminopyridines | 4 | + | |
| 9 | 2-Pyridinylmethylsulfinylbenzimidazoles | 1 | + | |
| 10 | Pheniramine | 1 | + |