5K32:
reference: 4-Amino-7,8-dihydro-1,6-naphthyridin-5(6 H)-ones as Inhaled Phosphodiesterase Type 4 (PDE4) Inhibitors: Structural Biology and Structure-Activity Relationships., Roberts RS, Sevilla S, Ferrer M, Taltavull J, Hernandez B, Segarra V, Gracia J, Lehner MD, Gavalda A, Andres M, Cabedo J, Vilella D, Eichhorn P, Calama E, Carcasona C, Miralpeix M, J Med Chem. 2018 Mar 13. doi: 10.1021/acs.jmedchem.7b01751. PMID: 29502405

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