p-bromobenzenesulfonate ester of methyl mandelate

2-amino-1,1-dimethoxy-1-phenylethane

(4S)-4-(2-iodoethyl)-2,2-dimethyl-1,3-dioxolane

三甲基硅烷化重氮甲烷

1-phenyl-2-(phenylselanyl)ethanol