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 a gamma-lactone, a secondary alcohol, an organic heteropentacyclic compound and a scalarane sesterterpenoid.
(4S,5aS,5bR,7aS,11aS,11bR,13R,13aR,13bS)-4,13-dihydroxy-5b,8,8,11a,13a-pentamethyl-5,5a,6,7,7a,9,10,11,11b,12,13,13b-dodecahydro-4H-phenanthro[1,2-g][1]benzofuran-2-one