1-(methyl-d3)piperazine-2,2,3,3,5,5,6,6-d8

N-Methyl-d3-piperazine-2,2,3,3,5,5,6,6-d8 is used in the preparation of Dibenzo[b,?e]?[1,?4]?diazepine modulators of dopamine receptors, serotonin receptors, adrenergic receptors, acetylcholine receptors, and?/or histamine receptors.