Davies, Stephen J.; Ayscough, Andrew P.; Beckett, R. Paul; Bragg, Ryan A.; Clements, John M.; Doel, Sheila; Grew, Christine; Launchbury, Steven B.; Perkins, Gemma M.; Pratt, Lisa M.; Smith, Helen K.; Spavold, Zoe M.; Thomas, S. Wayne; Todd, Richard S.; Whittaker, Mark Bioorganic and Medicinal Chemistry Letters, 2003 , vol. 13, # 16 p. 2709 - 2713