methyl 4-O-benzoyl-6-deoxy-2-O-tosyl-α-D-mannopyranoside

methyl 3,4-di-O-acetyl-2,6-dideoxy-α-L-lyxo-hexopyranoside

methyl 4-O-benzoyl-6-bromo-2,6-dideoxy-α-D-ribo-hexopyranoside

methyl 4-O-benzoyl-6-bromo-2,6-dideoxy-3-O-(p-methoxybenzoyl)-α-D-ribo-hexopyranoside