2GDG:
reference: Inactivation of the phenylpyruvate tautomerase activity of macrophage migration inhibitory factor by 2-oxo-4-phenyl-3-butynoate., Golubkov PA, Johnson WH Jr, Czerwinski RM, Person MD, Wang SC, Whitman CP, Hackert ML, Bioorg Chem. 2006 Jun 13;. PMID: 16780921

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