Showing structure for (2r,2''s,4'as,5'r,5''s,6'r,8'r,8'ar)-5''-(furan-3-yl)-2'',8'-dihydroxy-6'-methyl-2'-oxo-hexahydrodispiro[oxirane-2,1'-naphthalene-5',3''-oxolan]-8'a-ylmethyl acetate