Showing structure for (1r,3as,7s,9as,9bs,11ar)-3a,7-dihydroxy-11a-methyl-1-(6-oxopyran-3-yl)-1h,2h,3h,3bh,4h,5h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthrene-9a-carbaldehyde