Methanone, [1,1'-biphenyl]-4-yl(3,4-dimethoxyphenyl)- (en)

(3,4-dimethoxyphenyl)-(3,5-dimethoxyphenyl)methanone

3,4-bis(3,4-dimethoxyphenyl)furan-2,5-dione

2,3-二甲氧基-9H-芴-9-酮

3,4-dimethoxyfluoren-9-one