Methods:Using column chromatography method to separate the unknown impurities from the crude sophoridine,then analysing and identifing its structure through HPLC,IR,SXRD.

• 方法:采用柱层析法从槐定碱粗品中分离得到未知杂质,通过HPLC、IR、单晶X-射线衍射法分析鉴定其结构。