4XCT:
reference: N-O-Isopropyl Sulfonamido-Based Hydroxamates as Matrix Metalloproteinase Inhibitors: Hit Selection and in vivo Antiangiogenic Activity., Nuti E, Cantelmo AR, Gallo C, Bruno A, Bassani B, Camodeca C, Tuccinardi T, Vera L, Orlandini E, Nencetti S, Stura EA, Martinelli A, Dive V, Albini A, Rossello A, J Med Chem. 2015 Aug 11. PMID: 26263024

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