Lurasidone Impurity 50

Chemical Name: (3aR,4R,7S,7aS)-2-(((1S,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione

Synonym: [(R)-4- {(R)-3-amino-4-(3,4- difluorophenyl)butanoyl }-3-(tbutoxymethyl) piperazin- 2-one L-tartrate]