methyl 5-N-acetylamino-2,6-anhydro-3,4-di-O-benzyl-8,9-didehydro-5,7,8,9-tetradeoxy-D-glycero-L-gluco-nonuronate

3-(2'-N-acetylamino-6'-azido-3',4'-di-O-benzyl-2',6'-dideoxy-α-D-glucopyranosyl)-1-propene

methyl 5-N-acetylamino-2,6-anhydro-3,4-di-O-benzyl-5,7-dideoxy-D-glycero-L-gluco-octuronate

4-acetamido-3,7-anhydro-5,6,8-tri-O-benzyl-1-bromo-1,2,4-trideoxy-D-glycero-D-ido-octitol

4-acetamido-3,7-anhydro-5,6,8-tri-O-benzyl-2,4-dideoxy-D-glycero-D-ido-octitol