Showing structure for (1s,4r,8as)-1-hydroxy-5,5,8a-trimethyl-4-{[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4a,6,7,8-tetrahydro-4h-naphthalene-1,2-dicarbaldehyde