Showing structure for (1'r,2s,3'r,6's,8'r,12'z,18'e,20'z,24'r,25's)-5',13',25'-trimethyl-11',17',22'-trioxo-2',10',16',23'-tetraoxaspiro[oxirane-2,26'-tetracyclo[22.2.1.0³,⁸.0⁸,²⁵]heptacosane]-4',12',18',20'-tetraen-6'-yl acetate