L-741,604 is an experimental drug from the substituted tryptamine family, which acts as an agonist for the 5-HT1B and 5-HT1D serotonin receptors, with around 6x selectivity for 5-HT1D.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.