Showing structure for (1's,2r,2's,3's,4'r,7's,8'z,10'z,12's,13's,14'r,15'r,16'r)-2',14',15',16'-tetrakis(acetyloxy)-3',12'-dihydroxy-4',13'-dimethyl-5'-oxo-6'-oxaspiro[oxirane-2,17'-tricyclo[11.4.0.0³,⁷]heptadecane]-8',10'-dien-9'-ylmethyl acetate