DC, Method High-performance liquid chromatography (HPLC) was utilized for this purpose with the column of HYPERSIL BDS C18 and the mobile phase containing acetonitrile and water (50:50), the detection wavelength being 287 nm.

• 方法 采用高效液相色谱法（HPLC）,色谱柱为HYPERSIL BDS C18,流动相为乙腈:水（50:50）,检测波长287nm。