4H-1-Benzopyran-4-one,2-[2,4-dihydroxy-5-(3-methyl-2-butenyl)phenyl]-2,3-dihydro-5,7-dihydroxy-6,8-bis(3-methyl-2-butenyl)-,(2S)- (9CI); 4H-1-Benzopyran-4-one,2-[2,4-dihydroxy-5-(3-methyl-2-butenyl)phenyl]-2,3-dihydro-5,7-dihydroxy-6,8-bis(3-methyl-2-butenyl)-,(S)-; Lespedezaflavanone H