Showing structure for (1r,3as,3br,5as,7s,9as,9bs,11r,11as)-3a,5a,7,11-tetrahydroxy-11a-methyl-1-(5-oxo-2h-furan-3-yl)-dodecahydro-1h-cyclopenta[a]phenanthrene-9a-carbaldehyde