3CN0:
reference: Toward optimization of the linker substructure common to transthyretin amyloidogenesis inhibitors using biochemical and structural studies., Johnson SM, Connelly S, Wilson IA, Kelly JW, J Med Chem. 2008 Oct 23;51(20):6348-58. Epub 2008 Sep 24. PMID: 18811132

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