Newhouse, Bradley J.; Hansen, Joshua D.; Grina, Jonas; Welch, Mike; Topalov, George; Littman, Nicole; Callejo, Michele; Martinson, Matthew; Galbraith, Sarah; Laird, Ellen R.; Brandhuber, Barbara J.; Vigers, Guy; Morales, Tony; Woessner, Rich; Randolph, Nikole; Lyssikatos, Joseph; Olivero, Alan Bioorganic and Medicinal Chemistry Letters, 2011 , vol. 21, # 11 p. 3488 - 3492