IUPAC:(1S,4S,9R,10S,11R,12R)-11-hydroxy-5,5,9-trimethyl-16-methylidenetetracyclo[10.2.2.0^{1,10}.0^{4,9}]hexadecane-6,14-dione
IUPAC:(1S,4S,9R,10S,11R,12R)-11-hydroxy-5,5,9-trimethyl-16-methylidenetetracyclo[10.2.2.0^{1,10}.0^{4,9}]hexadecane-6,14-dione