An anti-inflammatory agent, structurally related to the salicylates, which is active in inflammatory bowel disease. It is considered to be the active moiety of sulphasalazine.

Mesalamine
| Description | |
|---|---|
| 5-amino-2-hydroxybenzoic acid | |
| 89-57-6 | |
| C7H7NO3 | |
| 5-amino-2-hydroxybenzoic acid | |
| For the treatment of active ulcerative proctitis. | |