4-ethylsulfanyl-4-phenylbutan-2-one

4-diethoxyphosphoryl-4-phenylbutan-2-one

diethyl (2-ethoxy-2-oxido-3-phenyl-5-methyl-1,2-oxaphospholan-5-yl)phosphonate

diethyl 2-(3-oxo-1-phenylbutyl)propanedioate

ethyl 4-methyl-2-oxo-6-phenylcyclohex-3-ene-1-carboxylate