3-[2-oxo-3-(2-oxo-4-phenyl-oxazolidin-3-yl)-4-styryl-azetidin-1-yl]-N-(1-phenyl-ethyl)-succinamic acid tert-butyl ester

tert-butyl (R)-3-(((E)-3-(3-iodophenyl)allylidene)amino)-4-oxo-4-(((R)-1-phenylethyl)amino)butanoate

3-[2-oxo-3-(2-oxo-4-phenyl-oxazolidin-3-yl)-4-styryl-azetidin-1-yl]-N-(1-phenyl-ethyl)-succinamic acid

(R)-tert-butyl 3-((2R,3S)-2-((E)-3-iodostyryl)-4-oxo-3-((S)-2-oxo-4-phenyloxazolidin-3-yl)azetidin-1-yl)-4-oxo-4-(((R)-1-phenylethyl)amino)butanoate

(R)-tert-butyl 3-((2R,3S)-2-((E)-3-fluorostyryl)-4-oxo-3-((S)-2-oxo-4-phenyloxazolidin-3-yl)azetidin-1-yl)-4-oxo-4-(((R)-1-phenylethyl)amino)butanoate