benzyl-2-(benzyloxycarbonyl)amino-2-desoxy-4,6-ethyliden-3-O--α-D-glucopyranosid

methyl (methyl 4,5,7,8-tetra-O-acetyl-3-deoxy-β-D-manno-2-octulopyranosid)onate

methyl 2,6-anhydro-2,3-dideoxy-D-manno-2-octenoate

(allyl 4-O-tert-butyldimethylsilyl-7,8-O-cyclohexylidene-3-deoxy-α-manno-oct-2-ulopyranosid)ono-1,5-lactone