5O4F:
reference: Structure and Affinity of Two Bicyclic Glutamate Analogues at AMPA and Kainate Receptors., Mollerud S, Pinto A, Marconi L, Frydenvang K, Thorsen TS, Laulumaa S, Venskutonyte R, Winther S, Moral AMC, Tamborini L, Conti P, Pickering DS, Kastrup JS, ACS Chem Neurosci. 2017 Sep 20;8(9):2056-2064. doi: 10.1021/acschemneuro.7b00201., Epub 2017 Jul 21. PMID: 28691798

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