The molecule is a scalarane sesterterpenoid isolated from the marine sponge Hyrtios erectus that exhibits antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is an acetate ester, a secondary alcohol, a gamma-lactone, an organic heteropentacyclic compound and a scalarane sesterterpenoid.
[(4S,5aS,5bR,7aS,11aS,11bR,13R,13aR,13bS)-4-hydroxy-5b,8,8,11a,13a-pentamethyl-2-oxo-5,5a,6,7,7a,9,10,11,11b,12,13,13b-dodecahydro-4H-phenanthro[1,2-g][1]benzofuran-13-yl] acetate