Showing structure for (2e,6r)-6-[(1r,3ar,5ar,9as,11ar)-6,6,9a-trimethyl-4,7-dioxo-1h,2h,3h,3ah,5h,5ah,8h,9h,10h,11h,11ah-cyclopenta[a]phenanthren-1-yl]-2-methylhept-2-enoic acid