Objective This paper reported a new method for the analysis of 7-amnonitrazepam(7-ANIZ), the major metabolite of nitrazepam in urine by pentafluoropropionyl derivatization-GC/MS.

• 目的用五氟丙酰衍生化-气相色谱/质谱联用法分析尿液中硝西泮的主要代谢物7-氨基硝西泮。