Ramurthy, Savithri; Aikawa, Mina; Amiri, Payman; Costales, Abran; Hashash, Ahmad; Jansen, Johanna M.; Lin, Song; Ma, Sylvia; Renhowe, Paul A.; Shafer, Cynthia M.; Subramanian, Sharadha; Sung, Leonard; Verhagen, Joelle Bioorganic and Medicinal Chemistry Letters, 2011 , vol. 21, # 11 p. 3286 - 3289