4UFZ:
reference: Negishi cross-coupling enabled synthesis of novel NAD(+)-dependent DNA ligase inhibitors and SAR development., Murphy-Benenato KE, Gingipalli L, Boriack-Sjodin PA, Martinez-Botella G, Carcanague D, Eyermann CJ, Gowravaram M, Harang J, Hale MR, Ioannidis G, Jahic H, Johnstone M, Kutschke A, Laganas VA, Loch JT 3rd, Miller MD, Oguto H, Patel SJ, Bioorg Med Chem Lett. 2015 Nov 15;25(22):5172-7. doi: 10.1016/j.bmcl.2015.09.075., Epub 2015 Oct 14. PMID: 26463129

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