Studies on bioactive components from Chinese medicinal plants
Several novel bioactive components isolated from Chinese medicinal plants will be presented.These include novel maytansinoid tumor, inhibitors, some new ent-kaurane and rosane diterpenoids from Mallotus anomalus Meer et Chun (Euphorbiaceae), as well asnovel insecticide, stemona alkaloids from Stemona parviflora Cheese Slicer C.H.Wright (Stemonaceae