三氟乙酸 、
tert-Butyl 3-[1-[2-(N-imidazol-2ylaminocarbonyl)ethyl]indazol-5-ylcarbonylamino]-2-(S)-(2,4,6-trimethylbenzenesulfonylamino)propionate 以
二氯甲烷 为溶剂,
以31%的产率得到3-[1-[2-(N-imidazol-2-ylaminocarbonyl)ethyl]indazol-5-ylcarbonylamino]-2(S)-(2,4,6-trimethylbenzenesulfonylamino)propionic acid trifluoroacetate