IUPAC:(1R,2R,4S,7R,8S,11S,12R,17S,19S)-7-(furan-3-yl)-1,8,12,16,16-pentamethyl-5,15-dioxo-3,6-dioxapentacyclo[9.8.0.0^{2,4}.0^{2,8}.0^{12,17}]nonadec-13-en-19-yl acetate
IUPAC:(1R,2R,4S,7R,8S,11S,12R,17S,19S)-7-(furan-3-yl)-1,8,12,16,16-pentamethyl-5,15-dioxo-3,6-dioxapentacyclo[9.8.0.0^{2,4}.0^{2,8}.0^{12,17}]nonadec-13-en-19-yl acetate