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