2OI4:
reference: Ruthenium half-sandwich complexes as protein kinase inhibitors: derivatization of the pyridocarbazole pharmacophore ligand., Pagano N, Maksimoska J, Bregman H, Williams DS, Webster RD, Xue F, Meggers E, Org Biomol Chem. 2007 Apr 21;5(8):1218-27. Epub 2007 Mar 20. PMID: 17406720

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