5AFX:
reference: In Vitro and In Vivo Investigation of the Inhibition of Trypanosoma brucei Cell Growth by Lipophilic Bisphosphonates., Yang G, Zhu W, Kim K, Byun SY, Choi G, Wang K, Cha JS, Cho HS, Oldfield E, No JH, Antimicrob Agents Chemother. 2015 Dec;59(12):7530-9. doi: 10.1128/AAC.01873-15., Epub 2015 Sep 21. PMID: 26392508

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