Showing structure for (4ar,6ar,6bs,8ar,11r,12s,12ar,14ar,14bs)-4,4,6a,6b,8a,11,12,14b-octamethyl-2,4a,5,6,7,8,9,10,11,12,12a,14a-dodecahydro-1h-picene-3,14-dione