Infrared spectra(IR),mass spectrometry(MS),HPLC,thin layer chromatography(TLC),elementanalysis,visible absorption spectra and the diazo reaction method were used for the identification ofstructure and its character as well as the purity of the product.

• 用红外光谱（IR）、质谱（MS）、HPLC、薄层色谱（TLC）、元素分析、可见吸收光谱、重氮反应法等手段对产物进行了结构鉴定和纯度分析。