3-(2,4-Dihydroxy-phenoxy)-7-hydroxy-6,8-bis-(3-methyl-but-2-enyl)-chromen-4-one 3-(2,4-dihydroxyphenoxy)-7-hydroxy-6,8-bis(3-methylbut-2-en-1-yl)-4H-chromen-4-one 4H-1-benzopyran-4-one, 3-(2,4-dihydroxyphenoxy)-7-hydroxy-6,8-bis(3-methyl-2-butenyl)- Eryvarin F InChI=1/C25H26O6/c1-14(2)5-7-16-11-19-24(29)22(31-21-10-8-17(26)12-20(21)27)13-30-25(19)18(23(16)28)9-6-15(3)4/h5-6,8,10-13,26-28H,7,9H2,1-4H