5-甲氧基-2-硝基苯甲酸

5-甲氧基吲哚

5,5'-dimethoxy-1H,1'H-[2,2']biindolylidene-3,3'-dione

methyl 2-(3,3-dimethylureido)-5-methoxybenzoate

4-硝基间甲苯酚