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 |
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