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.

• 摘要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洋的主要代谢物7-氨基硝西泮。