ICMT-IN-2 (compound 45) is an inhibitor of ICMT (IC50=0.168 μM)[1].
References
[1] Judd WR, et al. Discovery and SAR of methylated tetrahydropyranyl derivatives as inhibitors of isoprenylcysteine carboxyl methyltransferase (ICMT). J Med Chem. 2011 Jul 28;54(14):5031-47. DOI:10.1021/jm200249a