methyl 5-acetylamino-2,6-anhydro-3,5-dideoxy-4-[2-(acetylpropylamino)acetylamino]-D-glycero-D-galacto-non-2-enonate

methyl 5-scetylamino-2,6-anhydro-3,5-dideoxy-4-[2-(acetylbenzylamino)acetylamino]-D-glycero-D-galacto-non-2-enonate

(2R,3R,4S)-3-acetamido-4-(2-(N-methylacetamido)acetamido)-2-((1R,2R)-1,2,3-trihydroxypropyl)-3,4-dihydro-2H-pyran-6-carboxylic acid

(2R,3R,4S)-3-acetamido-4-(2-(N-propylacetamido)acetamido)-2-((1R,2R)-1,2,3-trihydroxypropyl)-3,4-dihydro-2H-pyran-6-carboxylic acid

(2R,3R,4S)-3-acetamido-4-(2-(N-benzylacetamido)acetamido)-2-((1R,2R)-1,2,3-trihydroxypropyl)-3,4-dihydro-2H-pyran-6-carboxylic acid