Potent 5-HT2C agonist and partial 5-HT2A/5-HT2B agonist. Non-selective between 5-HT2 receptor subtypes (Ki values are 18, 18 and 66 nM for human recombinant 5-HT2C, 5-HT2A and 5-HT2B receptors respectively). Reduces food intake in rats following subcutaneous administration and displays anorexigenic effects in humans.