ethyl 2-oxo-4-phenylbut-3-enoate

ethyl 4-hydroxy-2-oxo-4-phenylbut-3-enoate

ethyl 3-bromo-2-oxo-4-phenylbutanoate

苯丙醛

(R)-4-chloro-1-phenyl-4-((R)-p-tolylsulfinyl)heptan-3-one