2-氨基-4-氯苯基氨基甲酸叔丁酯 、
3-[3-(6-methyl-pyridin-3-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester 以Obtained as an amorphous light brown substance (316 mg)的产率得到(4-chloro-2-{3-[3-(6-methyl-pyridin-3-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert-butyl ester