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专利披露了生产化合物Ⅰ[R1～R3=H或糖的残基;R4=H或岩藻糖的残基;Ac=乙酰基团]的过程,以糖链天门冬酰胺化合物Ⅱ[R1～R3,Ac=和上述相
The patent discloses a process for producing compound I [R1 to R3 = H or residue of sugar; R4 = H or fucose residue; Ac = acetyl group] using a sugar chain aspartamide compound II [R1 to R3 , Ac = and the above phase