苯乙酮

ethyl 2-acetoxy-3-oxo-3-phenylpropanoate

ethyl (2S,3S)-3-bromo-2-hydroxy-3-phenylpropanoate

ethyl (2R,3S)-3-azido-2-benzoyloxy-3-phenylpropionate

methyl 2-hydroxy-3-(4-methoxyphenylamino)-3-phenylpropanoate