1-[[3-Fluoro-4-[5-[(2-fluorophenyl)methyl]-2-benzothiazolyl]phenyl]methyl]-3-azetidinecarboxylic Acid is a potent Sphingosine-1-Phosphate Receptor 1 (S1P1) agonist with minimal activity at S1P3. It has been shown to attenuate DTH response to antigen challenge while significantly reducing blood lymphocyte counts.
