3-benzofurancarboxaldehyde, 3a,4,5,6,7,7a-hexahydro-6,7-dihydroxy-6-methyl-2-(3-methyl-1-oxobutyl)- 6,7-dihydroxy-6-methyl-2-(3-methylbutanoyl)-3a,4,5,6,7,7a-hexahydro-1-benzofuran-3-carbaldehyde InChI=1/C15H22O5/c1-8(2)6-11(17)12-10(7-16)9-4-5-15(3,19)14(18)13(9)20-12/h7-9,13-14,18-19H,4-6H2,1-3H