6WNY:
reference: The development of a structurally distinct series of BACE1 inhibitors via the (Z)-fluoro-olefin amide bioisosteric replacement., Frohn M, Liu L, Siegmund AC, Qian W, Amegadzie A, Chen N, Tan H, Hickman D, Wood S, Wen PH, Bartberger MD, Whittington DA, Allen JR, Bourbeau MP, Bioorg Med Chem Lett. 2020 Jul 15;30(14):127240. doi: 10.1016/j.bmcl.2020.127240., Epub 2020 May 4. PMID: 32527542

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