CARM1-IN-3 didrochloride (compound 17b) is a potent and selective co-activator associated arginine metltransferase (CARM1) inhibitor with IC50 values of 0.07, >25 µM for CARM1 and CARM3, respectively[1].
References:
[1]. Wan H, et al. Benzo[d]imidazole inhibitors of Coactivator Associated Arginine Metltransferase 1 (CARM1)--Hit to Lead studies. Bioorg Med Chem Lett. 2009 Sep 1;19(17):5063-6.