Caryatin is a natural product found in Rhododendron simiarum, and Aeonium decorum. Caryatin shows anti-tumor activity.

4'-Hydroxywogonin has positive effect on inhabiting those human tumor lines in vitro, with IC50 value is 8.3-38.4ug/mL .

Dauricumine is a chlorinated alkaloid that inhibits NF-κB ligand-induced differentiation of mouse bone marrow-derived macrophages into multinucleated osteoclasts.