| 4HBP: reference: Synthesis, SAR study, and biological evaluation of a series of piperazine ureas as fatty acid amide hydrolase (FAAH) inhibitors., Kono M, Matsumoto T, Kawamura T, Nishimura A, Kiyota Y, Oki H, Miyazaki J, Igaki S, Behnke CA, Shimojo M, Kori M, Bioorg Med Chem. 2013 Jan 1;21(1):28-41. doi: 10.1016/j.bmc.2012.11.006. Epub, 2012 Nov 15. PMID: 23218778 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).