3O9H:
reference: Substrate envelope-designed potent HIV-1 protease inhibitors to avoid drug resistance., Nalam MN, Ali A, Reddy GS, Cao H, Anjum SG, Altman MD, Yilmaz NK, Tidor B, Rana TM, Schiffer CA, Chem Biol. 2013 Sep 19;20(9):1116-24. doi: 10.1016/j.chembiol.2013.07.014. Epub, 2013 Sep 5. PMID: 24012370

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