Keywords high performance liquid chromatography;zinc 5 aminosalicylate;5 aminosalicylic acid;salicylic acid;p aminophenol;5 benzeneazosalicylic acid;

• 高效液相色谱法;5-氨基水杨酸锌;5-氨基水杨酸;水杨酸;对氨基苯酚;5-苯偶氮基水杨酸;