6CB5:
reference: Optimization of Pyrazoles as Phenol Surrogates to Yield Potent Inhibitors of Macrophage Migration Inhibitory Factor., Trivedi-Parmar V, Robertson MJ, Cisneros JA, Krimmer SG, Jorgensen WL, ChemMedChem. 2018 Mar 25. doi: 10.1002/cmdc.201800158. PMID: 29575754

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