(2,4-dihydroxyphenyl)-(2,5-dihydroxyphenyl)methanone

(2-hydroxy-4-methoxyphenyl)-(4-methoxyphenyl)methanone

6-hydroxy-2-[(3-hydroxyphenyl)methylidene]-1-benzofuran-3-one

3-[3-(2-carboxyethoxy)phenoxy]propanoic acid

2-(3-氯苯氧基)乙醇