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