IUPAC:(1R,11R,12R,13S,16R)-11-hydroxy-8,16-dimethyl-14-oxapentacyclo[11.2.2.1^{9,12}.0^{1,11}.0^{4,10}]octadeca-4,7,9-triene-6,15-dione
IUPAC:(1R,11R,12R,13S,16R)-11-hydroxy-8,16-dimethyl-14-oxapentacyclo[11.2.2.1^{9,12}.0^{1,11}.0^{4,10}]octadeca-4,7,9-triene-6,15-dione