The fingerprint shows the similar molecule fragments [ M + H ] + ( m / z225 ) of mostly character peaks easily form m / z207 through HPLC - MS.
采用高效液相质谱联用法(HPLE-MS)对其指纹图谱的主要特征峰对应的化学成分进行分析和鉴别,发现有相同的分子离子峰[M+H]+(m/z225),易形成碎片离子m/z207。