N-乙酰基-2-氯-2-脱氧神经氨酸甲酯4,7,8,9-四乙酸酯

乙硫醇钠

methyl 2-(acetylsulfanyl)-5-acetamido-4,7,8,9-tetra-O-acetyl-2,3,5-trideoxy-2-thio-D-glycero-α-D-galacto-2-nonulopyranosonate

碘乙烷

methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-2-S-acetyl-3,5-dideoxy-2-thio-D-glycero-α-D-galacto-non-2-ulopyranosylonate