IUPAC:(1S,2S,6S,7S,9R,11S,13R,17S)-4,11,15-trimethoxy-2,6,14,17-tetramethyl-10-oxatetracyclo[7.7.1.0^{2,7}.0^{13,17}]heptadeca-4,14-diene-3,16-dione
IUPAC:(1S,2S,6S,7S,9R,11S,13R,17S)-4,11,15-trimethoxy-2,6,14,17-tetramethyl-10-oxatetracyclo[7.7.1.0^{2,7}.0^{13,17}]heptadeca-4,14-diene-3,16-dione