| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Pyridoner | 100 | + | |
| 2 | Nikotinsyror | 80 | + | |
| 3 | Aminopyridiner | 62 | + | |
| 4 | Isonikotinsyror | 17 | + | |
| 5 | Pikoliner | 16 | + | |
| 6 | Pyridiniumföreningar | 15 | + | |
| 7 | Dihydropyridiner | 15 | + | |
| 8 | 2-Pyridinylmethylsulfinylbenzimidazoles | 15 | + | |
| 9 | Thienopyridines | 14 | + | |
| 10 | Triprolidin | 9 | + | |
| 11 | Nikotin | 8 | + | |
| 12 | Feniramin | 7 | + | |
| 13 | Dimetinden | 3 | + | |
| 14 | 1-metyl-4-fenyl-1,2,3,6-tetrahydropyridin | 2 | + | |
| 15 | Betahistin | 1 | + | |
| 16 | Karboliner | 1 | + |