Showing structure for (5s)-10-[(3z,3as,5ar,6s,7r,9ar,9bs)-7-(acetyloxy)-6-[(acetyloxy)methyl]-3a,6,9a-trimethyl-2-oxo-octahydrocyclopenta[a]naphthalen-3-ylidene]-2,6-dimethylundeca-2,6,8-trien-5-yl acetate