the Ministry of Science and Technology of China(2005DKA21006);the Knowledge Innovation Project of Chinese Academy of Sciences.
A new sesquilignan, 7',8'-didehydroherpetotriol (1), and a new lignan glycoside, (+)-isolariciresinol-9'-O-α-L-rhamnopyra- nosy1-(1→6)-[3-D-glucopyranoside (2), were isolated from the branches of Diptero...