(1)Benzopyrano(3,4-b)furo(2,3-h)(1)benzopyran-6(6ah)-one, 1,2,12,12a-alpha-tetrahydro-6a-alpha-hydroxy-2-alpha-isopropenyl-8,9-dimethoxy- 12a-Hydroxyrotenone 509-96-6 6a-beta,12a-beta-Rotenolone Rotenalone Rotenolone Rotenolone I