4GR9:
reference: Synthesis of novel capital EM, Cyrilliccapital TE, Cyrillic3 receptor ligands via an unusual Knoevenagel condensation., Volkova MS, Jensen KC, Lozinskaya NA, Sosonyuk SE, Proskurnina MV, Mesecar AD, Zefirov NS, Bioorg Med Chem Lett. 2012 Dec 15;22(24):7578-81. doi:, 10.1016/j.bmcl.2012.10.005. Epub 2012 Oct 17. PMID: 23131339

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