2,6-anhydro-3-deoxy-2-C-(hydroxymethyl)-D-glycero-D-talo-octonic acid

methyl 2,6-anhydro-3-deoxy-4,5:7,8-di-O-isopropylidene-D-glycero-D-galacto-octonate

methyl 2,6-anhydro-3-deoxy-4,5-O-isopropylidene-D-manno-D-oct-2-enosonate

methyl [2R,3S,4R,6S,1'R]-3,4-isopropylidenedioxy-2-[(1,2-isopropylidenedioxy)ethyl]tetrahydroo-2H-pyran-6-carboxylate