Francavilla, Charles; Low, Eddy; Nair, Satheesh; Kim, Bum; Shiau, Timothy P.; Debabov, Dmitri; Celeri, Chris; Alvarez, Nichole; Houchin, Ashley; Xu, Ping; Najafi, Ron; Jain, Rakesh Bioorganic and Medicinal Chemistry Letters, 2009 , vol. 19, # 10 p. 2731 - 2734