benzene-1,2,3,4-tetrol

3-(3,4,5-trimethoxyphenyl)benzo[f]chromen-1-one

4-乙酰氧基-3,5-二甲氧基苯甲酰氯

2-hydroxy-3,4,5-trimethoxybenzoic acid

3,4,5-trimethoxy-N-phenylbenzamide