ethyl 3-acetoxy-2-formyl-4-methoxyphenylacetate

4-羟基苯乙酸甲酯

2-(3-溴-4-羟基苯基)乙酸甲酯

(3-bromo-4-methoxy-phenyl)-acetic acid methyl ester

4,5-dimethoxy-1,3-dihydro-2H-inden-2-one