2-formyl-9,10-dioxo-3-(3-oxobutyl)-9,10-dihydroanthracene-1,4-diyl diacetate

1,4,9,10-蒽四酮

4,7-二甲氧基-1-茚酮

1-(4,7-Dimethoxy-indan-2-yl)-ethanone

2,3-dihydro-4,7-dimethoxy-1H-indene-2-carboxylic acid