5XKM:
reference: Discovery of an Orally Bioavailable, Brain-Penetrating, In Vivo Active Phosphodiesterase 2A Inhibitor Lead Series for the Treatment of Cognitive Disorders., Mikami S, Sasaki S, Asano Y, Ujikawa O, Fukumoto S, Nakashima K, Oki H, Kamiguchi N, Imada H, Iwashita H, Taniguchi T, J Med Chem. 2017 Jul 31. doi: 10.1021/acs.jmedchem.7b00709. PMID: 28759228

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