5 (Nonyloxy)tryptamine

5-(Nonyloxy)tryptamine is a tryptamine derivative which acts as a selective agonist at the 5-HT_1B receptor. Increasing the O-alkoxy chain length in this series gives generally increasing potency and selectivity for 5-HT_1B, with highest activity found for the nonyloxy derivative, having a 5-HT_1B binding affinity of 1.0 nM, and around 300-fold selectivity over the related 5-HT_1A receptor.