IUPAC:(1S,2S,4S,5S,7S,9S,11S,13S)-1-methyl-7-(propan-2-yl)-3,6,10,16-tetraoxaheptacyclo[11.7.0.0^{2,4}.0^{2,9}.0^{5,7}.0^{9,11}.0^{14,18}]icos-14(18)-ene-8,17-dione
IUPAC:(1S,2S,4S,5S,7S,9S,11S,13S)-1-methyl-7-(propan-2-yl)-3,6,10,16-tetraoxaheptacyclo[11.7.0.0^{2,4}.0^{2,9}.0^{5,7}.0^{9,11}.0^{14,18}]icos-14(18)-ene-8,17-dione