HCl-EtOH 、
碳酸氢钠 、 1'-[2-(4-cyanophenyl)ethyl]-3,4-dihydro-6-methanesulfonamidospiro(2H-1-benzopyran-2,4'-piperidine)-4-one hydrochloride 生成
(4RS)-1'-[2-(4-Cyanophenyl)ethyl]-3,4-dihydro-6-methanesulfonamidospiro(2H-1-benzopyran-2,4'-piperidine)-4-ol hydrochloride