Selective 5-HT1F receptor agonist (Ki values are 1.87, 16.4, > 100 (IC50), 176, 189, 281, 1280, 1530, 1550, > 3000 (IC50) and 3250 nM for 5-HT1F, 5-HT1A, 5-HT4, 5-HT1E, 5-HT1B, 5-HT1D, 5-HT2B, 5-HT2A, 5-HT7, 5-HT6 and 5-HT2C receptors respectively). Displays antimigraine effects.