IUPAC:(1S,3R,8R,10R,11R,12R,17R)-5,12,16,16-tetramethyl-2,7,9-trioxahexacyclo[9.8.0.0^{1,3}.0^{4,8}.0^{8,10}.0^{12,17}]nonadec-4-en-6-one
IUPAC:(1S,3R,8R,10R,11R,12R,17R)-5,12,16,16-tetramethyl-2,7,9-trioxahexacyclo[9.8.0.0^{1,3}.0^{4,8}.0^{8,10}.0^{12,17}]nonadec-4-en-6-one