Alniditan
![Alniditan synthesis: [2]](/uploads/202412/19/Alniditan_synthesis.svg0327.png)
Alniditan is a 5-HT1D receptor agonist with migraine-preventative effects.
The sizeable number of serotonergic drugs for treating migraines all incorporate the indole nucleus found in serotonin itself. It is thus of interest that a compound based on a benzopyran manifests much the same activity.