| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Nikotinsyror | 100 | + | |
| 2 | Pyridiniumföreningar | 18 | + | |
| 3 | Aminopyridiner | 10 | + | |
| 4 | Pyridoner | 6 | + | |
| 5 | Nikotin | 5 | + | |
| 6 | Isonikotinsyror | 4 | + | |
| 7 | Pikoliner | 2 | + | |
| 8 | Polyvinylpyridin-N-oxid | 1 | + | |
| 9 | Dihydropyridiner | 1 | + | |
| 10 | Feniramin | 1 | + | |
| 11 | Metyrapon | 1 | + |