Showing structure for (1r,3ar,6s,9as,11ar)-1-[(2r)-7-methoxy-6-methyloct-7-en-2-yl]-6,9a,11a-trimethyl-1h,2h,3h,3ah,4h,5h,5ah,6h,8h,9h,11h-cyclopenta[a]phenanthrene-7,10-dione