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