Showing structure for (2s,3s,3ar,4r,6s,7s,8s,12s,13ar)-3,4,7,8,13a-pentakis(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-6-yl benzoate