Synonyms: 4H-1-Benzopyran-4-one,2-[2,4-dihydroxy-5-(3-methyl-2-butenyl)phenyl]-2,3-dihydro-5-hydroxy-7-methoxy-8-(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-hydroxy-7-methoxy-8-(3-methyl-2-butenyl)-,(S)-; Maackiaflavanone