6-{[3-(3-Fluoro-phenyl)-5-methyl-isoxazol-4-ylmethyl]-amino}-pyridazine-3-carboxylic acid ethyl ester 、
2,2,2-三氟乙基胺 以to the title compound (72 mg, 59%) which was obtained as a white solid的产率得到6-{[3-(3-fluoro-phenyl)-5-methyl-isoxazol-4-ylmethyl]-amino}-pyridazine-3-carboxylic acid (2,2,2-trifluoro-ethyl)-amide