| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Pyridoner | 100 | + | |
| 2 | 2-Pyridinylmethylsulfinylbenzimidazoles | 57 | + | |
| 3 | Metyrapon | 53 | + | |
| 4 | Nikotinsyror | 43 | + | |
| 5 | Aminopyridiner | 39 | + | |
| 6 | Thienopyridines | 34 | + | |
| 7 | Feniramin | 28 | + | |
| 8 | Pikoliner | 28 | + | |
| 9 | Dihydropyridiner | 21 | + | |
| 10 | Karboliner | 18 | + | |
| 11 | Nikotin | 16 | + | |
| 12 | Pyridiniumföreningar | 15 | + | |
| 13 | Doxylamin | 12 | + | |
| 14 | Disopyramid | 10 | + | |
| 15 | Pyritioxin | 7 | + | |
| 16 | Isonikotinsyror | 4 | + | |
| 17 | 1-metyl-4-fenyl-1,2,3,6-tetrahydropyridin | 4 | + | |
| 18 | Betahistin | 3 | + | |
| 19 | Pikolinsyror | 2 | + | |
| 20 | Indinavir | 1 | + |