| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Quinolinic Acids | 100 | + | |
| 2 | Pyridinium Compounds | 70 | + | |
| 3 | 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine | 68 | + | |
| 4 | Dihydropyridines | 9 | + | |
| 5 | Nicotine | 7 | + | |
| 6 | Aminopyridines | 6 | + | |
| 7 | Picolines | 2 | + | |
| 8 | Nicotinic Acids | 2 | + | |
| 9 | Pheniramine | 1 | + |