IUPAC:(1S,9R,13R,21S)-17-(6-hydroxy-1-benzofuran-2-yl)-1-(5-hydroxy-2,2-dimethyl-2H-chromen-8-yl)-11-methyl-2,20-dioxapentacyclo[11.7.1.0^{3,8}.0^{9,21}.0^{14,19}]henicosa-3(8),4,6,11,14,16,18-heptaene-5,15-diol
IUPAC:(1S,9R,13R,21S)-17-(6-hydroxy-1-benzofuran-2-yl)-1-(5-hydroxy-2,2-dimethyl-2H-chromen-8-yl)-11-methyl-2,20-dioxapentacyclo[11.7.1.0^{3,8}.0^{9,21}.0^{14,19}]henicosa-3(8),4,6,11,14,16,18-heptaene-5,15-diol