Showing structure for (1r,2s,4as,5r,6r,8r,8ar)-2-(acetyloxy)-5-[2-(furan-3-yl)ethyl]-4a,6,8-trihydroxy-5,6-dimethyl-7-oxo-tetrahydrospiro[naphthalene-1,2'-oxiran]-8a-ylmethyl acetate