4DLD:
reference: Structural and pharmacological characterization of phenylalanine-based AMPA receptor antagonists at kainate receptors., Venskutonyte R, Frydenvang K, Valades EA, Szymanska E, Johansen TN, Kastrup JS, Pickering DS, ChemMedChem. 2012 Oct;7(10):1793-8. doi: 10.1002/cmdc.201100599. Epub 2012 Mar 7. PMID: 22407805

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