The molecule is a scalarane sesterterpenoid lactone, a metabolite of marine sponges of the family Thorectidae (order dictyoceratida). It has a role as a metabolite.
[(1R,5aS,5bR,7aS,11aS,11bR,13S,13aS,13bR)-1-hydroxy-5b,8,8,11a,13a-pentamethyl-3-oxo-5,5a,6,7,7a,9,10,11,11b,12,13,13b-dodecahydro-1H-phenanthro[2,1-e][2]benzofuran-13-yl] acetate