Showing structure for 6-ethyl-14',21'-dihydroxy-5,11',13',22'-tetramethyl-3',7',19'-trioxaspiro[oxane-2,6'-tetracyclo[15.6.1.1⁴,⁸.0²⁰,²⁴]pentacosane]-1'(24'),10',15',17',20',22'-hexaen-2'-one