(R)-Mirtazapine
(R)-Mirtazapine R)-Org3770) is a R( )-enantiomer of Mirtazapine with antinociceptive properties in an animal model of acute thermal nociception. (R)-Mirtazapine is a 5-HT3 receptor antagonist. (R)-Mirtazapine is mainly metabolized by CYP3A4.