(2R,3R,4S)-3-乙酰氨基-4-乙酰氧基-2-((1R,2R)-1,2,3-三乙酰氧基丙基)-3,4-二氢-2H-吡喃-6-羧酸甲酯

(2S,4S,5S,6R)-5-acetamido-2,4-dihydroxy-6-[(1R,2R)-1,2,3-trihydro xypropyl]tetrahydropyran-2-carboxylic acid

methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-β-D-galacto-non-2-ulopyranosyl chloride