The molecule is a scalarane sesterterpenoid isolated from the marine sponge Hyrtios erectus and has been shown to exhibit antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is a gamma-lactone, an organic heteropentacyclic compound, a scalarane sesterterpenoid, a secondary alcohol, a terpene lactone and a primary alcohol.
(5aS,5bR,7aR,8S,11aR,11bR,13R,13aS)-13-hydroxy-8-(hydroxymethyl)-5b,8,11a,13a-tetramethyl-4,5,5a,6,7,7a,9,10,11,11b,12,13-dodecahydro-3H-phenanthro[1,2-g][2]benzofuran-1-one