Subramanyam, Chakrapani; Duplantier, Allen J.; Dombroski, Mark A.; Chang, Shang-Poa; Gabel, Christopher A.; Whitney-Pickett, Carrie; Perregaux, David G.; Labasi, Jeff M.; Yoon, Kwansik; Shepard, Richard M.; Fisher, Michael Bioorganic and Medicinal Chemistry Letters, 2011, vol. 21, # 18 p. 5475 - 5479 doi: 10.1016/j.bmcl.2011.06.117