dimethyl (4-acetamido-3,7-anhydro-5,6,8-tri-O-benzyl-1,2,4-trideoxy-D-glycero-D-ido-octitol-1-yl)phosphonate

dibenzyl (4-acetamido-3,7-anhydro-5,6,8-tri-O-benzyl-2,4-dideoxy-D-glycero-D-ido-octitol-1-yl) phosphate