Chemical Name: (S)-Org 3770; Esmirtazapine; Org 44-20; S-(+)-Mirtazapine; (S)-1,2,3,4,10,14b-Hexahydro-2-methyl-pyrazino[2,1-a]pyrido[2,3-c][2]benzazepine; (+)-Mirtazapine(14bS)-1,2,3,4,10,14b-Hexahydro-2-methylpyrazino[2,1-a]pyrido[2,3-c][2]benzazepin ;(S)-6-Azamianserin