124166-28-5 3'-(gamma,gamma-Dimethylallyl)-5'-(alpha,alpha-dimethylallyl)-5,7,2',4'-tetrahydroxyisoflavone 4H-1-Benzopyran-4-one, 3-(5-(1,1-dimethyl-2-propenyl)-2,4-dihydroxy-3-(3-methyl-2-butenyl)phenyl)-5,7-dihydroxy- Fremontone