4U90:
reference: Design and Synthesis of High-Affinity Dimeric Inhibitors Targeting the Interactions between Gephyrin and Inhibitory Neurotransmitter Receptors., Maric HM, Kasaragod VB, Haugaard-Kedstrom L, Hausrat TJ, Kneussel M, Schindelin H, Stromgaard K, Angew Chem Int Ed Engl. 2014 Nov 20. doi: 10.1002/anie.201409043. PMID: 25413248

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