Prabhakaran, Jaya; Majo, Vattoly J.; Milak, Matthew S.; Mali, Pratap; Savenkova, Lyudmila; Mann, J. John; Parsey, Ramin V.; Kumar, J.S. Dileep Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 12 p. 3654 - 3657