(3aR)-6,7-dimethoxy-4c-(3,4-dimethoxy-phenyl)-(3ar,9at)-3a,4,9,9a-tetrahydro-3H-naphtho[2,3-c]furan-1-one
dehydrodimethylconidendrin
1,4-dioxane
1-methyl-4-nitrosobenzene
4-(3,4-dimethoxy-phenyl)-6,7-dimethoxy-3a,4,9,9a-tetrahydro-3H-naphtho[2,3-c]furan-1-one