Epinodosinol is a diterpenoid derived from plant Rabdosia angustifolia. Epinodosinol has inhibitory activity against certain cancer cells[1].
References
[1] Ding L, Liu B, et al. Comparison of cytotoxicity and DNA damage potential induced by ent-kaurene diterpenoids from Isodon plant. Nat Prod Res. 2011 Sep;25(15):1402-11. DOI:10.1080/14786410802267734