2-苯氧基-1,4-苯醌

(6-bromo-5-hydroxy-benzofuran-3-yl)-(4-methoxyphenyl)-methanone

7-bromo-5-hydroxy-benzofuran-3-yl-(4-methoxyphenyl)-methanone

(4-bromo-5-hydroxy-1-benzofuran-3-yl)-(4-methoxyphenyl)methanone