Showing structure for 6-ethyl-21'-hydroxy-5,11',13',22'-tetramethyl-3',7',19'-trioxaspiro[oxane-2,6'-tetracyclo[15.6.1.1⁴,⁸.0²⁰,²⁴]pentacosane]-1'(24'),10',14',16',20',22'-hexaene-2',18'-dione