dimethyl N-(para-methoxyphenyl)-dithio-carbonimidate

1-(4'-methoxy-phenyl)-3-acetoxy-4,4-bis(methylthio)azetidin-2-one

diethyl (4-methoxyphenyl)carbonimidodithioate

1-(4'-methoxyphenyl)-3-acetoxy-azetidin-2-one

1-(4'-methoxyphenyl)-3-acetoxy-4,4-bis(ethylthio)azetidin-2-one