Study on the Chemical Constituents of Lancan tibetica Hook F. et Thoms Comparative study on content of phillyrin in fructus forsythiae and leaves of forsythia (Forsythia suspensa) Determination of nine components in Forsythia Folium collected in different periods Studies on Antibacterial Constituents of the Unripe Fruit of Forsythia suspensa (Thunb.) Vahl Determination of phillyrin and forsythoside A in Lianqiao Bingdu Qing capsule by RP-HPLC Effect of habitat processing method on phillyrin and forsythiaside A of Forsythiae Fructus Study on in situ intestinal absorption of active ingredients in Shuanghuanglian oral liquid in rats