| 1TA2: reference: Design and synthesis of a series of potent and orally bioavailable noncovalent thrombin inhibitors that utilize nonbasic groups in the P1 position., Tucker TJ, Brady SF, Lumma WC, Lewis SD, Gardell SJ, Naylor-Olsen AM, Yan Y, Sisko JT, Stauffer KJ, Lucas BJ, Lynch JJ, Cook JJ, Stranieri MT, Holahan MA, Lyle EA, Baskin EP, Chen IW, Dancheck KB, Krueger JA, Cooper CM, Vacca JP, J Med Chem 1998 Aug 13;41(17):3210-9. PMID: 9703466 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).