6FR2:
reference: Discovery of polar spirocyclic orally bioavailable urea inhibitors of soluble epoxide hydrolase., Lukin A, Kramer J, Hartmann M, Weizel L, Hernandez-Olmos V, Falahati K, Burghardt I, Kalinchenkova N, Bagnyukova D, Zhurilo N, Rautio J, Forsberg M, Ihalainen J, Auriola S, Leppanen J, Konstantinov I, Pogoryelov D, Proschak E, Dar'in D, Krasavin M, Bioorg Chem. 2018 Oct;80:655-667. doi: 10.1016/j.bioorg.2018.07.014. Epub 2018, Jul 17. PMID: 30059891

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