IUPAC:(3R,4R)-2,2-dimethyl-3-{[(2Z)-2-methylbut-2-enoyl]oxy}-8-oxo-2H,3H,4H,8H-pyrano[3,2-g]chromen-4-yl (2Z)-2-methylbut-2-enoate
IUPAC:(3R,4R)-2,2-dimethyl-3-{[(2Z)-2-methylbut-2-enoyl]oxy}-8-oxo-2H,3H,4H,8H-pyrano[3,2-g]chromen-4-yl (2Z)-2-methylbut-2-enoate