3,5-二甲氧基苯酚

4-(3,4-dimethoxy-phenyl)-2,4-dioxo-butyric acid

(5-乙酰基-2-乙酰氧基-苯基)乙酸酯

(2-甲酰基-3,5-二羟基苯基)苯甲酸酯

2-chloro-3',4'-dihydroxyacetophenone