supported by the Chinese National Natural Science Foundation(No.30973869);the Ministry of Science and Technology of China(No.2008BAC39B05);Foundation of Shannxi Provincial Education Department
A new lignan glycoside was isolated from the n-butanol extract of the roots and rhizomes of Sinopodophyllum emodi.On the basis of spectral evidences,its structure was established and named as 4,5-didemethylpodophyllot...