7-((3-(5-,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)-1-methyl-2-propenyl)oxy)-4-methyl-2H-chromen-2-one
7-((3-(5-,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)-1-methyl-2-propenyl)oxy)-4-methyl-2h-chromen-2-one