4RFC:
reference: A class of 4-sulfamoylphenyl-omega-aminoalkyl ethers with effective carbonic anhydrase inhibitory action and antiglaucoma effects., Bozdag M, Pinard M, Carta F, Masini E, Scozzafava A, McKenna R, Supuran CT, J Med Chem. 2014 Nov 26;57(22):9673-86. doi: 10.1021/jm501497m. Epub 2014 Nov 10. PMID: 25358036

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