Isogermafurenolide is a cytotoxic Terpenoids from the Wood of Vepris punctata from the Madagascar Rainforest[1].
References
[1] Chaturvedula VS, et al. New cytotoxic terpenoids from the wood of Vepris punctata from the Madagascar Rainforest. J Nat Prod. 2004 May;67(5):895-8. DOI:10.1021/np0303512