Chemical constituents from fruits of Vitex negundo New natural product from lipophilic parts in roots of Angelica dahurica Simultaneous determination of 5 active components in fructus cnidii by HPLC Simultaneous determination of chromones and coumarins in roots of Saposhnikovia divaricata from Longxi area by HPLC Absorption and transportation characteristic of six linear furocoumarins in a model of Caco-2 cell monolayer in human intestine Absorption and transportation characteristic of six linear furocoumarins in a model of Caco-2 cell monolayer in human intestine Chemical constituents from fruits of Vitex negundo