(3aR,5S,9bR,10R)-8-bromo-6,9-dimethoxy-2,2,10-trimethyl-4,5-dihydro-3aH-5,9b-(epoxymethano)naphtho[1,2-d][1,3]dioxole

(1R,3R,4S,9R)-3'-[3,4-dihydroxy-5,8-dimethoxy-9-methyl-1,2,3,4-tetrahydro-1,4-(epoxymethano)naphthalen-6-yl]-3 -methoxy-4 ,5 ,6 ,7 -tetrahydro-2 -benzofuran-1 (3H)-one

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

1'-[(1S,2R)-7-bromo-1,2-dihydroxy-5,8-dimethoxy-1,2,3,4-tetrahydronaphthalen-1-yl]ethanone

(1R,3R,4R,9R)-6-(1-acetoxy-3-oxo-1,3,4,5,6,7-hexahydroisobenzofuran-1-yl)-4-hydroxy-5,8-dimethoxy-9-methyl-1,2,3,4-tetrahydro-1,4-(epoxymethano)naphthalen-3-yl acetate