(3aS,4S,9R,9aR)-9-(4-hydroxy-3,5-dimethoxyphenyl)-6,7-dimethoxy-4-(4-nitroanilino)-3a,4,9,9a-tetrahydro-3H-benzo[f][2]benzofuran-1-one

(3aR,4S,9R,9aR)-4,6,7-trihydroxy-9-(4-hydroxy-3,5-dimethoxyphenyl)-3a,4,9,9a-tetrahydro-3H-benzo[f][2]benzofuran-1-one

ethyl 4-[[(3aS,4S,9R,9aR)-9-(4-hydroxy-3,5-dimethoxyphenyl)-6,7-dimethoxy-1-oxo-3a,4,9,9a-tetrahydro-3H-benzo[f][2]benzofuran-4-yl]amino]benzoate

(5S,5aS,8aR,9R)-5-[(4-氟苯基)氨基]-9-(4-羟基-3,5-二甲氧基-苯基)-5a,6,8a,9-四氢-5H-异苯并呋喃并[5,6-f][1,3]苯并二氧戊环-8-酮

(3aS,4S,9R,9aR)-4-(4-fluoroanilino)-6,7-dimethoxy-9-(3,4,5-trimethoxyphenyl)-3a,4,9,9a-tetrahydro-3H-benzo[f][2]benzofuran-1-one