4-[2-(3-fluoro-phenyl)-ethyl]-phenylamine 、
衣康酸 以yields the (RS)-1-{4-[2-(3-fluoro-phenyl)-ethyl]-phenyl}-5-oxo-pyrrolidine-3-carboxylic acid as a light brown solid的产率得到(RS)-1-{4-[2-(3-fluoro-phenyl)-ethyl]-phenyl}-5-oxo-pyrrolidine-3-carboxylic acid