6-(3-fluoro-4-methoxyphenyl)-4-methoxycarbonyl-2H-pyridazin-3-one 、
methanesulfonate 、
4-氟苯丙醇 以to yield the title compound as a yellow oil (yield: 90.1%)的产率得到6-(3-fluoro-4-methoxyphenyl)-2-[3-(4-fluorophenyl)propyl]-4-methoxycarbonyl-2H-pyridazin-3-one