3aβ,4,9,9aα-Tetrahydro-4β-(3-methoxy-4-hydroxyphenyl)-6-hydroxy-7-methoxynaphtho[2,3-c]furan-1(3H)-one | (3aR)-4β-(4-Hydroxy-3-methoxyphenyl)-6-hydroxy-7-methoxy-3,3aβ,4,9-tetrahydronaphtho[2,3-c]furan-1(9aαH)-one |
(3aR)-3aβ,4,9,9aα-Tetrahydro-6-hydroxy-4β-(4-hydroxy-3-methoxyphenyl)-7-methoxynaphtho[2,3-c]furan-1(3H)-one |