Showing structure for methyl (2s,4as,6s,10ar,10bs)-2-(furan-3-yl)-4a-hydroxy-10b-methyl-4-oxo-6-{[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1h,2h,5h,6h,8h,9h,10h,10ah-naphtho[2,1-c]pyran-7-carboxylate