methyl (4S,5R)-5-acetamido-4-azido-2-hydroxy-5-((4S,4'R,5R)-2,2,2',2'-tetramethyl-[4,4'-bi(1,3-dioxolan)]-5-yl)pentanoate

(1S,2R)-1-((2R,3R,4S,6R)-3-acetamido-6-acetoxy-4-azido-6-(methoxycarbonyl)tetrahydro-2H-pyran-2-yl)propane-1,2,3-triyl triacetate

methyl (methyl 5-acetamido-7,8,9-tri-O-acetyl-4-azido-3,4,5-trideoxy-2-thio-D-glycero-α-D-galacto-nonulopyranosid)onate

双丙酮半乳糖