((3R,5R)-2-benzyl-3-(thiazol-2-yl)isoxazolidin-5-yl)((3aS,6R,7aR)-8,8-dimethyl-2,2-dioxidotetrahydro-3H-3a,6-methanobenzo[c]isothiazol-1(4H)-yl)methanone