Method: Compound were isolated by solvent-extraction together with column chromatography and the structure were determined by spectroscopic analysis.
方法：采用溶剂提取和柱层析色谱分离，根据化合物理化性质和光谱数据鉴定其结构。
Method: Chromatography and spectroscopic analysis were used to isolate and elucidate the chemical constituents in the plant.
方法：用色谱和光谱分析法分离和鉴定。
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