(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

丁二醛