Haffner, Curt D.; Thomson, Stephen A.; Guo, Yu; Petrov, Kimberly; Larkin, Andrew; Banker, Pierette; Schaaf, Gregory; Dickerson, Scott; Gobel, Jeff; Gillie, Dan; Condreay, J. Patrick; Poole, Chuck; Carpenter, Tiffany; Ulrich, John Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 23 p. 6989 - 6992