(4R,5S)-4-[(E)-(S)-4-Benzyloxy-1-(tert-butyl-dimethyl-silanyloxy)-but-2-enyl]-5-benzyloxymethyl-oxazolidin-2-one

(3a'S,6'R,7'R,7a'S)-N-methoxy-N-methyl-2-[1'-methyl-2'-oxo-7'-(triethylsilyloxy)hexahydropyrano[4,3-d]oxazol-6'-yl]acetamide

(4S,5S,1'S,E)-4-[4'-benzyloxy-1'-(tert-butyldimethylsilyloxy)but-2'-enyl]-5-(benzyloxy)methyl-3-methyloxazolidin-2-one

(R)-(tert-Butyl-dimethyl-silanyloxy)-[(4R,5S)-5-(tert-butyl-dimethyl-silanyloxymethyl)-3-methyl-2-oxo-oxazolidin-4-yl]-acetaldehyde

(4S,5S,1'S,E)-5-(tert-butyldimethylsilyloxy)methyl-4-[4'-chloro-1'-(tert-butyldimethylsilyloxy)but-2'-enyl]-3-methyloxazolidin-2-one