7K7Z:
reference: Hit-to-lead optimization and discovery of a potent, and orally bioavailable G protein coupled receptor kinase 2 (GRK2) inhibitor., Xu G, Gaul MD, Liu Z, DesJarlais RL, Qi J, Wang W, Krosky D, Petrounia I, Milligan CM, Hermans A, Lu HR, Huang DZ, Xu JZ, Spurlino JC, Bioorg Med Chem Lett. 2020 Oct 7;30(23):127602. doi: 10.1016/j.bmcl.2020.127602. PMID: 33038544

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