IUPAC:(12'E,18'E,20'E)-17'-(1-hydroxyethyl)-5',13',25'-trimethyl-2',10',16',23'-tetraoxaspiro[oxirane-2,26'-tetracyclo[22.2.1.0^{3,8}.0^{8,25}]heptacosane]-4',12',18',20'-tetraene-11',22'-dione
IUPAC:(12'E,18'E,20'E)-17'-(1-hydroxyethyl)-5',13',25'-trimethyl-2',10',16',23'-tetraoxaspiro[oxirane-2,26'-tetracyclo[22.2.1.0^{3,8}.0^{8,25}]heptacosane]-4',12',18',20'-tetraene-11',22'-dione