ethyl 3-phenyl-2-oxopropanoate

ethyl 3-bromo-2-oxo-3-phenylpropanoate

乙基3-叠氮基-2-羟基-丙酸酯

(2R,3S)-ethyl 2,3-dihydroxy-3-phenylpropanoate

ethyl (4S,5R)-4-carbethoxy-5-phenyl-1,3,2-dioxathiolane-2-oxide