METHODS The compounds were separated by column chromatography with silica gel and prep-HPLC, whoso structures were elucidated on the basis of spectroscopic data and physicochemical properties.
方法利用硅胶柱色谱、制备高效液相色谱等方法进行分离，根据化合物的光谱数据和理化性质鉴定其结构。
METHODS The compounds were separated by column chromatography with silica gel and prep-HPLC, whoso structures were elucidated on the basis of spectroscopic data and physicochemical properties.
方法利用硅胶柱色谱、制备高效液相色谱等方法进行分离，根据化合物的光谱数据和理化性质鉴定其结构。
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