title: Biological active macrocyclic diterpenoids from Chinese drug "fáng féng cáo"; II. Derivatives of ovatodiolids and their cytotoxicity.
mesh_terms: D000818:Animals; D002286:Carcinoma, Ehrlich Tumor / Q000473:pathology; D002470:Cell Survival / Q000187:drug effects*; D004224:Diterpenes / Q000032:analysis / Q000494:pharmacology*; D006801:Humans; D007624:KB Cells / Q000187:drug effects; D009682:Magnetic Resonance Spectroscopy; D008516:Medicine, Chinese Traditional; D008518:Medicine, East Asian Traditional; D010946:Plants, Medicinal / Q000032:analysis*
chemical_list: D004224:Diterpenes; C049094:fang feng cao