(3aR,4S,5R,7S,7aS)-2-(((1R,2R)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)methyl)cyclohexyl)methyl)-5-hydroxyhexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione,(3aR,4S,5R,7S,7aS)-2-(((1R,2R)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)methyl)cyclohexyl)methyl)-5-hydroxyhexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione,"Labeled Lurasidone metabolite, intended for use as an internal standard for the quantification of Lurasidone by GC- or LC-mass spectrometry.",Lurasidone Metabolite