| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Nikotinsyror | 100 | + | |
| 2 | 2-Pyridinylmethylsulfinylbenzimidazoles | 60 | + | |
| 3 | Dihydropyridiner | 40 | + | |
| 4 | Isonikotinsyror | 26 | + | |
| 5 | Thienopyridines | 23 | + | |
| 6 | Triprolidin | 21 | + | |
| 7 | Feniramin | 17 | + | |
| 8 | Aminopyridiner | 16 | + | |
| 9 | Pyridoner | 16 | + | |
| 10 | Nikotin | 9 | + | |
| 11 | Dimetinden | 8 | + | |
| 12 | Pyridiniumföreningar | 5 | + | |
| 13 | Betahistin | 4 | + | |
| 14 | Karboliner | 3 | + | |
| 15 | Pikoliner | 3 | + |