• Methods the chemical compositions of the petroleum ether extracts were isolated and purified by chromatographic methods. The structure of acquired compounds was identified by spectrum method.

    方法采用多种色谱方法对其含有化合物进行分离纯化,利用波谱对得到的化合物进行结构鉴定

    youdao

  • Methods the chemical compositions of the petroleum ether extracts were isolated and purified by chromatographic methods. The structure of acquired compounds was identified by spectrum method.

    方法采用多种色谱方法对其含有化合物进行分离纯化,利用波谱对得到的化合物进行结构鉴定

    youdao

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