Showing structure for (3s)-5-{[(1r,3as,4s,12as)-4-(acetyloxy)-1-[2-(acetyloxy)propan-2-yl]-3a-methyl-10-methylidene-9-oxo-1h,2h,3h,4h,7h,8h,11h,12h,12ah-cyclopenta[11]annulen-6-yl]methoxy}-3-hydroxy-3-methyl-5-oxopentanoic acid