IUPAC:(6S)-6-{1-[(1S,2S,5R,6S,9R,10R,13R,15S)-15-hydroxy-9,10,14,14-tetramethyl-16-oxapentacyclo[13.2.2.0^{1,13}.0^{2,10}.0^{5,9}]nonadecan-6-yl]ethenyl}-3-methyl-5,6-dihydro-2H-pyran-2-one
IUPAC:(6S)-6-{1-[(1S,2S,5R,6S,9R,10R,13R,15S)-15-hydroxy-9,10,14,14-tetramethyl-16-oxapentacyclo[13.2.2.0^{1,13}.0^{2,10}.0^{5,9}]nonadecan-6-yl]ethenyl}-3-methyl-5,6-dihydro-2H-pyran-2-one