1,5-anhydro-2,4,6-trideoxy--3-O-(triethylsilyl)-4-<(2,4-dinitrophenyl)thio>-D-ribo-hex-1-enopyranose

<(2,4,6-trideoxy-4-<(2,4-dinitrophenyl)thio>-3-O-(triethylsilyl)-β-D-ribo-hexopyranosyl)oxy><2-(trimethylsilyl)ethoxycarbonyl>amine

2,4,6-trideoxy-1-O-<<2-(tromethylsilyl)ethyl>amino>-3-O-(triethylsilyl)-4-β-D-ribo-hexopyranosyl-4-<(6-deoxy-2,4-O,O-bis(triethylsilyl)-3-O-methyl-α-L-mannopyranosyl)oxy>-5-iodo-2,3-dimethoxy-6-methylthiobenzoate