2-bromo-1-(3,4-diacetoxy-phenyl)-ethanone

(5-乙酰基-2-乙酰氧基-苯基)乙酸酯

邻苯二酚

氨基乙醛缩二乙醇

2-氨基-1-(3,4-二羟基苯基)乙烷-1-酮