3466-09-9

Dehydrorotenone 7,8-Didehydrorotenone (2R)-2-Isopropenyl-8,9-dimethoxy-1,2-dihydro[1]benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(12H)-one (2R)-1,2-Dihydro-2α-isopropenyl-8,9-dimethoxy[1]benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(12H)-one (2R)-1,2-Dihydro-2α-isopropenyl-8,9-dimethoxy-[1]benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(12H)-one (R)-1,2-Dihydro-8,9-dimethoxy-2-(1-methylethenyl)-[1]benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(12H)-one