IUPAC: 1,3,5,6-tetrahydroxy-2,4,7-tris(3-methylbut-2-en-1-yl)-9H-xanthen-9-one

SMILES: [#6]\[#6](-[#6])=[#6]/[#6]-c1cc2c(oc3c(-[#6]\[#6]=[#6](\[#6])-[#6])c(-[#8])c(-[#6]\[#6]=[#6](\[#6])-[#6])c(-[#8])c3c2=O)c(-[#8])c1-[#8]