IUPAC:(2R,8'R,12'S,13'R,18'E,20'Z,24'R)-12'-hydroxy-5',13'-dimethyl-2',10',16',23'-tetraoxaspiro[oxirane-2,26'-tetracyclo[22.2.1.0^{3,8}.0^{8,25}]heptacosane]-4',18',20'-triene-11',17',22'-trione
IUPAC:(2R,8'R,12'S,13'R,18'E,20'Z,24'R)-12'-hydroxy-5',13'-dimethyl-2',10',16',23'-tetraoxaspiro[oxirane-2,26'-tetracyclo[22.2.1.0^{3,8}.0^{8,25}]heptacosane]-4',18',20'-triene-11',17',22'-trione