benzyl(1S,2R)-2-[(1S)-1-[(1,3-dioxo-2,3-dihydro-1H-isoindol-2yl)methyl]-1,2,3,4-tetrahydroisoquinolin-2-carbonyl]cyclopropane-1-carboxylate

1-benzyl-3β-((S)-2-oxo-4-phenyloxazolidin-3-yl)-4β-[2-(2-furyl)ethenyl]azetidin-2-one

(S)-3-[(2S,3R)-1-Benzyl-2-((E)-2-furan-2-yl-vinyl)-4-oxo-azetidin-3-yl]-4-phenyl-oxazolidin-2-one

(S)-3-((3S,4R)-1-Benzyl-2-oxo-4-phenethyl-azetidin-3-yl)-4-phenyl-oxazolidin-2-one