benzyl (3RS)-3-dimethyl(phenyl)silyl-3-phenylpropanoate

(R)-1-((3aS,6R,7aR)-8,8-dimethyl-2,2-dioxidohexahydro-1H-3a,6-methanobenzo[c]isothiazol-1-yl)-3-hydroxy-3-phenylpropan-1-one

(S)-(+)-1-苯基-1,2-乙二醇对甲苯磺酸酯

4-hydroxy-4-phenylbutan-2-one