Showing structure for ethyl (6r)-6-[(1r,3ar,6s,7r,9as,11r,11ar)-7,11-dihydroxy-6,9a,11a-trimethyl-4,10-dioxo-1h,2h,3h,3ah,5h,5ah,6h,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-2-methyl-3-methylideneheptanoate