tert-butyl 3-(2-cyanopyridin-4-yl)-3-oxopropanoate 、
tert-butyl 3-amino-2’-fluorobiphenyl-4-ylcarbamate 以Obtained as a white solid (151 mg)的产率得到{3-[3-(2-cyano-pyridin-4-yl)-3-oxo-propionylamino]-2'-fluoro-biphenyl-4-yl}-carbamic acid tert-butyl ester