(2R,3S,4S)-4-(tert-butoxycarbonyl)amino-3-hydroxy-2-tetradecyltetrahydrofuran

(4S,5R)-5-[(R)-1-(tert-butyldiphenylsilyloxy)allyl]-4-[(tert-butyldiphenylsilyloxy)methyl]oxazolidin-2-one

(4S,5R)-5-[(R)-1-(tert-butyldiphenylsilyloxy)allyl]-4-[(tert-butyldiphenylsilyloxy)methyl]-3-[(2-nitrophenyl)sulfonyl]oxazolidin-2-one

(2S,3R,4S)-4-(2-nitrobenzenesulfonylamido)-2-vinyltetrahydofuran-3-yl acetate

tert-butyl (4S,5R)-5-[(R)-1-hydroxyallyl]-4-(hydroxymethyl)-2-oxooxazolidine-3-carboxylate