(4S,5R)-3-<(S)-2,2-dimethyl-1,3-dioxolane-4-propanoyl>-4-methyl-5-phenyl-2-oxazolidinone

N,N'-bis-((S)-1-methyl-2-phenyl-ethyl)-oxalamide

(R)-3-((4S,5R)-4-Methyl-2-oxo-5-phenyl-oxazolidine-3-carbonyl)-hex-5-enenitrile

(3(2S),3(2(2R)),4S,5R)-3-[2-azido-2-((N-benzyloxycarbonyl)piperidin-2-yl)-1-oxoethyl]-4-methyl-5-phenyl-2-oxazolidinone

tert-butyl (4R)-4-{(1R,2S)-2-fluoro-1-hydroxy-3-[(4S,5R)-4-methyl-2-oxo-5-phenyloxazolidin-3-yl]-3-oxopropyl}-2,2-dimethyloxazolidine-3-carboxylate