Methods The compounds were isolated by HPLC. Their structures were identified by IR, MS, NMR spectral respectively.

方法：采用HPLC、 NMR、IR、MS等方法，对红豆杉叶醇浸膏中分离精制所得的部分化合物进行结构鉴定。

youdao

Methods The compounds were isolated by HPLC. Their structures were identified by IR, MS, NMR spectral respectively.

方法：采用HPLC、 NMR、IR、MS等方法，对红豆杉叶醇浸膏中分离精制所得的部分化合物进行结构鉴定。

youdao