Vortioxetine-d4 (Lu AA 21004-d4) is the deuterium labeled Vortioxetine (HY-15414). Vortioxetine is an antagonist of 5-HT3A and 5-HT7 receptors (Ki: 3.7 nM, 19 nM) and an inhibitor of serotonin transporter (SERT) (Ki: 1.6 nM), as well as a 5-HT1A agonist and a partial agonist of 5-HT1B (Ki: 15 nM, 33 nM)[1][2].
