3CTH:
reference: Discovery of orally active pyrrolopyridine- and aminopyridine-based Met kinase inhibitors., Cai ZW, Wei D, Schroeder GM, Cornelius LA, Kim K, Chen XT, Schmidt RJ, Williams DK, Tokarski JS, An Y, Sack JS, Manne V, Kamath A, Zhang Y, Marathe P, Hunt JT, Lombardo LJ, Fargnoli J, Borzilleri RM, Bioorg Med Chem Lett. 2008 Jun 1;18(11):3224-9. Epub 2008 Apr 25. PMID: 18479916

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).