2-(2,4-Dihydroxy-phenyl)-6-methoxy-7-(3-methyl-but-2-enyl)-benzofuran-3-carbaldehyde 2-(2,4-dihydroxyphenyl)-6-methoxy-7-(3-methylbut-2-en-1-yl)-1-benzofuran-3-carbaldehyde 3-Formyl-2-(2',4'-dihydroxyphenyl)-6-methoxy-7-(3-methyl-2-butenyl)benzofuran 3-benzofurancarboxaldehyde, 2-(2,4-dihydroxyphenyl)-6-methoxy-7-(3-methyl-2-butenyl)- Erypoegin F InChI=1/C21H20O5/c1-12(2)4-6-16-19(25-3)9-8-14-17(11-22)21(26-20(14)16)15-7-5-13(23)10-18(15)24/h4-5,7-11,23-24H,6H2,1-3H