Synonyms: s,s-endo-lurasidone HCl;(3aR,4R,7S,7aS)-2-[[(1S,2S)-2-[[4-(1,2-Benzisothiazol-3-yl)-1-piperazinyl]methyl]cyclohexyl]methyl]hexahydro-4,7-methano-1H-isoindole-1,3(2H)-dione;(3aR,4R,7S,7aS)-2-{(1S,2S)-2-[4-(1,2-benzisothiazol-3-yl)piperazin-1-ylMethyl]cyclohexylMethyl}hexahydro-4,7-Methano-2H-isoindole-1,3-dione hydrochloride