3-Hydroxyagomelatine D3 is a deuterium labeled 3-Hydroxyagomelatine. 3-Hydroxyagomelatine is an Agomelatine metabolite and a 5-HT2C receptor antagonist (IC50: 3.2 μM; Ki: 1.8 μM).
7-Desmethyl-3-hydroxyagomelatine is a metabolite of Agomelatine and has less activity than Agomelatine. Agomelatine is a melatonergic (MT1 and MT2) agonist and 5-HT2C antagonist.