Showing structure for (1r,3as,5as,7r,9as,11ar)-7-{[(2r,5s)-4,5-dihydroxy-6-methyloxan-2-yl]oxy}-3a,5a-dihydroxy-11a-methyl-1-(5-oxo-2h-furan-3-yl)-dodecahydro-1h-cyclopenta[a]phenanthrene-9a-carbaldehyde