tert-butyl N6-(tert-butoxycarbonyl)-N2-((2-(4-((2R,3R)-1-(4-chlorophenyl)-3-((2-(4-chlorophenyl)-2-oxoethyl)thio)-4-oxoazetidin-2-yl)phenoxy)acetyl)glycyl)-D-lysinate

tert-butyl {4-[(2R,3R)-1-(4-chlorophenyl)-3-({[2-(4-chlorophenyl)-5,5-dimethyl-1,3-dioxan-2-yl]methyl}thio)-4-oxoazetidin-2-yl]phenoxy}acetate

({[2-(4-chlorophenyl)-5,5-dimethyl-1,3-dioxan-2-yl]methyl}thio)acetic acid

tert-butyl (4-{(1S,2R)-1-[(4-chlorophenyl)amino]-2-({[2-(4-chlorophenyl)-5,5-dimethyl-1,3-dioxan-2-yl]methyl}thio)-3-oxo-3-[(4S)-2-oxo-4-phenyl-1,3-oxazolidin-3-yl]propyl}phenoxy)acetate

ethyl ({[2-(4-chlorophenyl)-5,5-dimethyl-1,3-dioxan-2-yl]methyl}thio)acetate

(4S)-3-[({[2-(4-chlorophenyl)-5,5-dimethyl-1,3-dioxan-2-yl]methyl}thio)acetyl]-4-phenyl-1,3-oxazolidin-2-one

tert-butyl (4-{(E)-[(4-chlorophenyl)imino]methyl}phenoxy)acetate

ethyl 2-[2-(4-chlorophenyl)-2-oxoethyl]sulfanylacetate