(+/-)-(2-chlorophenyl)(4-methyl-1-piperazinyl)acetic acid hydrochloride 、
(+/-)-bromo(2,6-difluorophenyl)acetic acid 以to give the title compound as a white solid (350 mg, 45%)的产率得到(+/-)-(2,6-difluorophenyl)(4-methyl-1-piperazinyl)acetic acid hydrochloride