4-硝基苯酐

4-硝基邻苯二甲酸

4-二甲基氨基-2-羟基-2’-甲氧羰基-4’-硝基二苯甲酮

N-(3',6'-bis(dimethylamino)-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)acetamide

5-Amino-2-(4-dimethylamino-2-hydroxy-benzoyl)-benzoic acid methyl ester