IUPAC:(2R,4R,5S,7S,9S,13R,14R)-7-methyl-12-methylidene-3,6,10,15-tetraoxapentacyclo[12.2.1.0^{2,4}.0^{5,7}.0^{9,13}]heptadec-1(17)-ene-11,16-dione
IUPAC:(2R,4R,5S,7S,9S,13R,14R)-7-methyl-12-methylidene-3,6,10,15-tetraoxapentacyclo[12.2.1.0^{2,4}.0^{5,7}.0^{9,13}]heptadec-1(17)-ene-11,16-dione