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