Hansen, Joshua D.; Grina, Jonas; Newhouse, Brad; Welch, Mike; Topalov, George; Littman, Nicole; Callejo, Michele; Gloor, Susan; Martinson, Matthew; Laird, Ellen; Brandhuber, Barbara J.; Vigers, Guy; Morales, Tony; Woessner, Rich; Randolph, Nikole; Lyssikatos, Joseph; Olivero, Alan Bioorganic and Medicinal Chemistry Letters, 2008 , vol. 18, # 16 p. 4692 - 4695