(S)-Mirtazapine D3 is a deuterium labeled (S)-Mirtazapine. (S)-Mirtazapine is a stereoselective antagonist of 5-HT2 receptor. (S)-Mirtazapine is metabolized by CYP2D6 and CYP1A2.
Mirtazapine N-oxide is a metabolite of mirtazapine.1It is formed from mirtazapine by the cytochrome P450 (CYP) isoforms CYP1A2 and CYP3A4 in human liver microsomes.
Esmirtazapine HCl is the salt form of Esmirtazapine, a potent antagonist of 5-hydroxytryptamine type 2 (5-HT2), 5-HT3, and histamine 1 (H1) receptors, and a moderate antagonist of peripheral alpha 1 adrenergic and muscarinic receptors.