2-chloro-5-chloroethylpyridine hydrochloride 、 3,4-dihydro-6-methanesulfonamidospiro[(2H)-1-benzopyran-2,4'-piperidine]-4-one hydrochloride 生成
6-Methanesulfonamido-3,4-dihydro-1'-[2-(2-chloropyrid-5-yl)ethyl]-spiro[(2H)-1-benzopyran-2,4'-piperidine]-4-one