Structures of sulfasalazine, mesalamine, and olsalazine
Structures of sulfasalazine, mesalamine, and olsalazine
Sulfasalazine is a composite molecule composed of 5-ASA linked by an azo bond to sulfapyridine. Mesalamine is the 5-ASA moiety alone, while olsalazine consists of two 5-ASA molecules joined by an azo bond.