(1R,3R,4S,9R)-4-hydroxy-5,8-dimethoxy-6-(1-methoxy-3-oxo-1,3,4,5,6,7-hexahydro-2-benzofuran-1-yl)-9-methyl-1,2,3,4-tetrahydro-1,4-(epoxymethano)naphthalen-3-yl acetate

7-bromo-5,8-dimethoxy-3,4-dihydro-2H-naphthalen-1-one

1-[(3aR,9bS)-8-bromo-6,9-dimethoxy-2,2-dimethyl-4,5-dihydronaphtho[1,2-d][1,3]dioxol-9b(3aH)-yl]ethanone

(1R,3R,4S,9R)-6-bromo-5,8-dimethoxy-9-methyl-2,3-dihydro-1,4-(epoxymethano)naphthalene-3,4(1H)-diol

1-(7-bromo-5,8-dimethoxy-3,4-dihydronaphthalen-1-yl)ethanone