bis(3,4-dihydroxyphenyl)methanone

3,4,3',4'-四羟基苯偶酰

1,2-bis(4-hydroxy-3-methoxyphenyl)ethanone

双(3,4-二甲氧基苯基)甲酮

4-[(E)-2-(4-hydroxy-3-methoxyphenyl)ethenyl]-2-methoxyphenol