Aminosalicylic acid

Aminosalicylic acid can refer to any amino derivative of salicylic acid, such as:


 * 3-Aminosalicylic acid
 * 4-Aminosalicylic acid (para-aminosalicylic acid, PAS)
 * 5-Aminosalicylic acid (mesalazine)
 * 6-Aminosalicylic acid