2IKI:
reference: Structural and Thermodynamic Study on Aldose Reductase: Nitro-substituted Inhibitors with Strong Enthalpic Binding Contribution., Steuber H, Heine A, Klebe G, J Mol Biol. 2007 May 4;368(3):618-38. Epub 2006 Dec 15. PMID: 17368668

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