Lurasidone Impurity F Catalogue L536756 CAS 194861-82-0 M.W 492.68 M.F C28H36N4O2S Specifications FAQs rel-(3aR,4S,7R,7aS)-2-(((1R,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione