3K4F:
reference: Heme oxygenase inhibition by 2-oxy-substituted 1-azolyl-4-phenylbutanes: effect of variation of the azole moiety. X-ray crystal structure of human heme oxygenase-1 in complex with 4-phenyl-1-(1H-1,2,4-triazol-1-yl)-2-butanone., Roman G, Rahman MN, Vukomanovic D, Jia Z, Nakatsu K, Szarek WA, Chem Biol Drug Des. 2010 Jan;75(1):68-90. PMID: 19954435

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