2G0L:
reference: Synthetic Ligands for Apo-Neocarzinostatin., Caddick S, Muskett FW, Stoneman RG, Woolfson DN, J Am Chem Soc. 2006 Apr 5;128(13):4204-4205. PMID: 16568976

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