methyl (4R)-4-[[(2S)-2-[[(2R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-5-hydroxy-2-[8-[(2-methylpropan-2-yl)oxycarbonylamino]octanoylsulfanyl]-6-[5-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoyloxymethyl]oxan-4-yl]oxypropanoyl]amino]propanoyl]amino]-5-amino-5-oxopentanoate 、
三氟乙酸 以100%的产率得到methyl (R)-4-((S)-2-((R)-2-(((2S,3R,4R,5S,6R)-3-acetamido-2-((8-aminooctanoyl)thio)-6-(((5-aminopentanoyl)oxy)methyl)-5-hydroxytetrahydro-2H-pyran-4-yl)oxy)propanamido)propanamido)-5-amino-5-oxopentanoate 2,2,2-trifluoroacetate