Chemical constituents of Dracocephalum heterophyllum and antibacterial activity Non-alkoloids components from Phellodendri Cortex Chemical constituents from Pothos chinensis Chemical constituents in leaves of Querus mongolica Chemical constituents from Hypericum pseudohenryi Studies on the chemical constituents in herbs of ethanolic extract from herbs of Dicliptera chinensis Chemical constituents in Amaranthus spinosus Study on chemical constituents of Microctis Folium Chemical constituents from leaves of Cyclocarya paliurus Chemical constituents of Salvia plebeia Chemical constituents of Dracocephalum heterophyllum and antibacterial activity Chemical constituents from leaves of Cyclocarya paliurus Study on chemical constituents of Microctis Folium Chemical constituents in leaves of Ostryopsis nobilis and their anti-oxidant activities Sesquiterpenoids from branches and leaves of Cephalotaxus lanceolata