| 2A2X: reference: Orally active thrombin inhibitors. Part 2: optimization of the P2-moiety., Lange UE, Baucke D, Hornberger W, Mack H, Seitz W, Hoffken HW, Bioorg Med Chem Lett. 2006 May 15;16(10):2648-53. Epub 2006 Feb 3. PMID: 16460939 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).