BrexpiprazoleD8 (OPC-34712 D8) is a deuterium-labeled Brexpiprazole. Brexpiprazole is a partial agonist of human 5-HT1A and dopamine receptors (Ki: 0.12 nM and 0.3 nM).
Brexpiprazole S-oxide D8 (DM-3411 D8) is a deuterium-labeled Brexpiprazole S-oxide, the primary metabolite of Brexpiprazole, which is a partial agonist of human 5-HT1A and dopamine receptors (Kis: 0.12 nM and 0.3 nM).