Showing structure for (1s,2r,3ar,5r,10s,11s,13as)-3a,10,11-tris(acetyloxy)-2,5,8,8,12-pentamethyl-4,9-dioxo-1h,2h,3h,5h,10h,11h,13ah-cyclopenta[12]annulen-1-yl benzoate