3CSO:
reference: 1,5-benzodiazepines, a novel class of hepatitis C virus polymerase nonnucleoside inhibitors., Nyanguile O, Pauwels F, Van den Broeck W, Boutton CW, Quirynen L, Ivens T, van der Helm L, Vandercruyssen G, Mostmans W, Delouvroy F, Dehertogh P, Cummings MD, Bonfanti JF, Simmen KA, Raboisson P, Antimicrob Agents Chemother. 2008 Dec;52(12):4420-31. Epub 2008 Oct 13. PMID: 18852280

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