Dow, Robert L.; Paight, Ernest S.; Schneider, Steven R.; Hadcock, John R.; Hargrove, Diane M.; Martin, Kelly A.; Maurer, Tristan S.; Nardone, Nancy A.; Tess, David A.; DaSilva-Jardine, Paul Bioorganic and Medicinal Chemistry Letters, 2004 , vol. 14, # 12 p. 3235 - 3240