Bamford, Mark J.; Bailey, Nicholas; Davies, Susannah; Dean, David K.; Francis, Leann; Panchal, Terence A.; Parr, Christopher A.; Sehmi, Sanjeet; Steadman, Jon G.; Takle, Andrew K.; Townsend, James T.; Wilson, David M. Bioorganic and Medicinal Chemistry Letters, 2005 , vol. 15, # 14 p. 3407 - 3411