Non-alkoloids components from Phellodendri Cortex Study on terpenoids from aerial parts of Matteuccia struthiopteris Study on chemical constituents of Microctis Folium Chemical constituents from Euphorbia stracheyi Chemical constituents from Euphorbia stracheyi Chemical constituents from Ficus pumila Chemical constituents from aerial parts of Ligusticum sinense cv. chaxiong Chemical constituents from stems of Hedyotis hedyotidea and their immunosuppressive activity Study on chemical constituents of Microctis Folium Study on chemical constituents from whole herbs of Xanthium mongolicum