Showing structure for 2-[2-(acetyloxy)-5-hydroxy-3a,3b,6,9a-tetramethyl-4,7-dioxo-2h,3h,5h,5ah,6h,9bh,10h,11h,11ah-cyclopenta[a]phenanthren-1-ylidene]-6-methylhept-5-enoic acid