3-formyl-6-(3-formyl-2,4-dihydroxy-6-methyl-benzoyloxymethyl)-2,4-dihydroxy-benzoic acid

4,6-dibromo-2,5-dimethylbenzene-1,3-diol

2,5-二甲基-3-硝基苯酚

squamatic acid

2,4-二羟基-6-甲基苯甲酸甲酯