tert-butyl 3-amino-2’-fluorobiphenyl-4-ylcarbamate 、
3-[3-(6-methyl-pyridazin-3-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester 以Obtained as an amorphous yellow substance (330 mg)的产率得到(2'-fluoro-3-{3-[3-(6-methyl-pyridazin-3-yl)-phenyl]-3-oxo-propionylamino}-biphenyl-4-yl)-carbamic acid tert-butyl ester