IUPAC:4,6,8-trihydroxy-2-{[2-methyl-4-(2,4,6,8-tetrahydroxy-9-oxo-9H-xanthen-1-yl)but-2-en-1-yl]oxy}-1-(3-methylbut-2-en-1-yl)-9H-xanthen-9-one
IUPAC:4,6,8-trihydroxy-2-{[2-methyl-4-(2,4,6,8-tetrahydroxy-9-oxo-9H-xanthen-1-yl)but-2-en-1-yl]oxy}-1-(3-methylbut-2-en-1-yl)-9H-xanthen-9-one