Showing structure for (1'r,2r,4's,5s,6r,8'r,10'e,13'r,14'e,16'e,20'r,21'r,24's)-6-ethyl-21',24'-dihydroxy-5,11',13'-trimethyl-2'-oxo-3',7',19'-trioxaspiro[oxane-2,6'-tetracyclo[15.6.1.1⁴,⁸.0²⁰,²⁴]pentacosane]-10',14',16',22'-tetraen-22'-ylmethyl (2e)-2-methylbut-2-enoate