2,4-二乙酰氧基苯甲酸

3',6'-dihydroxyspiro[oxolane-5,9'-xanthene]-2-one

1,4-bis(2,4-dihydroxyphenyl)butanedione

4-(2,4-dihydroxy-phenyl)-4-oxo-butyric acid

2,4-二羟基-5-甲氧基苯甲醛