5ONC:
reference: Catabolism of the Cholesterol Side Chain in Mycobacterium tuberculosis Is Controlled by a Redox-Sensitive Thiol Switch., Lu R, Schaefer CM, Nesbitt NM, Kuper J, Kisker C, Sampson NS, ACS Infect Dis. 2017 Aug 16. doi: 10.1021/acsinfecdis.7b00072. PMID: 28786661

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