20-Deoxyingenol 3-angelate and ingenol 20-acetate 3-angelate are known as promoters of tumors of mouse skin. 20-Deoxyingenol 3-angelate can induce significant platelet aggregation accompanied by induction of phosphorylation of PKC substrates in platelets,
3-Acetoxy-27-hydroxy-20(29)-lupen is an acetyl ester form of 3α, 27-Dihydroxylupen-20(29)-en-28-oic acid methyl ester, which is a topoisomerase II inhibitor.