4U3B:
reference: Synthesis, Structure, and SAR of Tetrahydropyran-Based LpxC Inhibitors., Murphy-Benenato KE, Olivier N, Choy A, Ross PL, Miller MD, Thresher J, Gao N, Hale MR, ACS Med Chem Lett. 2014 Sep 23;5(11):1213-1218. eCollection 2014 Nov 13. PMID: 25408833

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