IUPAC:{21',24'-dihydroxy-5,6,11',13'-tetramethyl-2'-oxo-3',7',19'-trioxaspiro[oxane-2,6'-tetracyclo[15.6.1.1^{4,8}.0^{20,24}]pentacosane]-10',14',16',22'-tetraen-22'-yl}methyl 3-methylbut-2-enoate
IUPAC:{21',24'-dihydroxy-5,6,11',13'-tetramethyl-2'-oxo-3',7',19'-trioxaspiro[oxane-2,6'-tetracyclo[15.6.1.1^{4,8}.0^{20,24}]pentacosane]-10',14',16',22'-tetraen-22'-yl}methyl 3-methylbut-2-enoate