Not Less Than - 95%
1,2,3,4,10,14b-Hexahydro-2-methylpyrazino[2,1-a]pyrido[2,3-c][2]benzazepine; Mepirzepine; Org-3770; Remeron; Zispin; Pyrazino[2,1-a]pyrido[2,3-c][2]benzazepine,1,2,3,4,10,14b-hexahydro-2-methyl-; 1,2,3,4,10,14b-Hexahydro-2-methylpyrazino[2,1-a]pyrido[2,3-c][2]-benzazepine (USP);