Norzoanthamine is an alkaloid found in soft corals of the genus Zoanthus Norzoanthamine has been shown to suppress the loss of bone weight and strength in mice. Some derivatives of norzoanthamine also suppress development of some kind of leukemia cell lines and human platelet aggregation. A laboratory synthesis of this compound was developed in 2004. References Quinoline alkaloids Oxygen heterocycles Epoxides Heterocyclic compounds with 7 or more rings Triketones