49586-44-9

9-[[4-[2-(Acetyloxy)-1,1-dimethyl-3-[(7-oxo-7H-furo[3,2-g][1]benzopyran-9-yl)oxy]propoxy]-3-methyl-2-butenyl]oxy]-7H-furo[3,2-g][1]benzopyran-7-one