(2-amino-5-ethoxy-4-trifluoromethyl-phenyl)-carbamic acid tert.-butyl ester 、
3-[3-(2-cyclopropyl-6-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester 以Obtained as an amorphous yellow substance (282 mg, 63%)的产率得到(2-{3-[3-(2-cyclopropyl-6-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-5-ethoxy-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester