(4R,3'R,4'R)-3-<4'-(hydroxymethyl)-2'-oxo-1'-(phenylmethyl)-3'-azetidinyl>-4-phenyl-2-oxazolidinone

2-[(1S)-1,2,3,4-tetrahydroisoquinolin-1-ylmethyl]-2,3-dihydro-1H-isoindole-1,3-dione

(S)-3-(3-bromo-2-oxopropyl)-4-phenyl-1,3-oxazolidin-2-one

1-benzyl-3β-(4(S)-phenyloxazolidin-2-one-3-yl)-4β-(3-methoxystyryl)azetidin-2-one