methyl 3-benzyloxy-4-[(2S)-2-[(2R,3R)-3-formyloxiran-2-yl]-2-triisopropylsilyloxyethyl]-5-nitrobenzoate

methyl 3-benzyloxy-4-{(2S)-2-[(4S,5S)-5-(tert-butyldimethylsilyloxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]-2-hydroxyethyl}-5-nitrobenzoate

3-Benzyloxy-4-{2-[(4R,5S)-5-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-2-oxo-ethyl}-5-nitro-benzoic acid methyl ester

methyl 3-benzyloxy-5-nitro-4-[(2S,3R,4S)-3,4,5-trihydroxy-2-triisopropylsilyloxypentyl]benzoate

methyl 3-benzyloxy-4-[(2S,3R,4S)-5-(tert-butyldimethylsilyloxy)-3-hydroxy-4-(toluene-4-sulfonyl)oxy-2-triisopropylsilyloxypentyl]-5-nitrobenzoate