methyl 3-C-(azidomethyl)-4,6-O-benzylidene-2-deoxy-3-O-methylsulphonyl-α-D-arabino-hexopyranoside

methyl 4-O-benzoyl-6-bromo-2,3,6-trideoxy-3-C-methyl-3-(trifluoroacetamido)-α-D-ribo-hexopyranoside

methyl-3-C-(azidomethyl)-4,6-O-benzylidene-2-deoxy-α-D-arabino-hexopyranoside

methyl 4,6-O-benzylidene-2,3-dideoxy-3-C-methyl-3-(trifluoroacetamido)-α-D-ribo-hexopyranoside