4MFB:
reference: Picomolar Inhibitors of HIV Reverse Transcriptase Featuring Bicyclic Replacement of a Cyanovinylphenyl Group., Lee WG, Gallardo-Macias R, Frey KM, Spasov KA, Bollini M, Anderson KS, Jorgensen WL, J Am Chem Soc. 2013 Oct 24. PMID: 24151856

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