4H-1-Benzopyran-4-one, 5,7-dihydroxy-2-methyl-6-(3-methyl-2-butenyl)- 5,7-Dihydroxy-2-methyl-6-(3-methyl-2-butenyl)-4H-1-benzopyran-4-one 578-72-3 Chromone, 5,7-dihydroxy-2-methyl-6-(3-methyl-2-butenyl)- Peucenin