ChemR23-IN-1 (compound 2) is a ChemR23 inhibitor with IC50s of 38 nM and 100 nM for human and mouse ChemR23, respectively. ChemR23-IN-1 inhibits chemotaxis of CAL-1 triggered by Chemerin in vitro.
References:
[1]. Takamichi Imaizumi, et al. The design, synthesis and evaluation of 2-aminobenzoxazole analogues as potent and orally efficacious ChemR23 inhibitors. Bioorg Med Chem. 2020 Sep 1;28(17):115622.