(R)-4-((S)-2-{(R)-2-[(2S,3R,4R,5S,6R)-3-Acetylamino-2-(16-tert-butoxycarbonylamino-hexadecanoylsulfanyl)-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-4-yloxy]-propionylamino}-propionylamino)-4-carbamoyl-butyric acid methyl ester 、
三氟乙酸 以100%的产率得到(R)-4-((S)-2-{(R)-2-[(2S,3R,4R,5S,6R)-3-Acetylamino-2-(16-amino-hexadecanoylsulfanyl)-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-4-yloxy]-propionylamino}-propionylamino)-4-carbamoyl-butyric acid methyl ester; compound with trifluoro-acetic acid