Wang, Liping; Hubert, James A.; Lee, Susan J.; Pan, Jie; Qian, Su; Reitman, Marc L.; Strack, Alison M.; Weingarth, Drew T.; MacNeil, Douglas J.; Weber, Ann E.; Edmondson, Scott D. Bioorganic and Medicinal Chemistry Letters, 2011, vol. 21, # 10 p. 2911 - 2915 doi: 10.1016/j.bmcl.2011.03.069