Breault, Gloria A.; Ellston, Rebecca P. A.; Green, Stephen; James, S. Russell; Jewsbury, Philip J.; Midgley, Catherine J.; Pauptit, Richard A.; Minshull, Claire A.; Tucker, Julie A.; Pease, J. Elizabeth Bioorganic and Medicinal Chemistry Letters, 2003 , vol. 13, # 18 p. 2961 - 2966