IUPAC: 5-hydroxy-8,8-dimethyl-10-(3-methylbut-2-en-1-yl)-4H,8H-pyrano[3,2-g]chromen-4-one

SMILES: [#6]\[#6](-[#6])=[#6]\[#6]-c1c2-[#8]C([#6])([#6])[#6]=[#6]-c2c(-[#8])c2c1occc2=O |c:11|