IUPAC:(1'R,2'S,3R,8'S,9'S,12'R,13'R)-8',12'-dihydroxy-2,2,2',6',9',13'-hexamethyl-16'-methylidene-2,6-dihydro-10',14'-dioxaspiro[pyran-3,5'-tetracyclo[7.6.1.0^{1,12}.0^{2,7}]hexadecan]-6'-ene-6,11',15'-trione
IUPAC:(1'R,2'S,3R,8'S,9'S,12'R,13'R)-8',12'-dihydroxy-2,2,2',6',9',13'-hexamethyl-16'-methylidene-2,6-dihydro-10',14'-dioxaspiro[pyran-3,5'-tetracyclo[7.6.1.0^{1,12}.0^{2,7}]hexadecan]-6'-ene-6,11',15'-trione