Dymock, Brian; Barril, Xavier; Beswick, Mandy; Collier, Adam; Davies, Nicholas; Drysdale, Martin; Fink, Alexandra; Fromont, Christophe; Hubbard, Roderick E.; Massey, Andrew; Surgenor, Allan; Wright, Lisa Bioorganic and Medicinal Chemistry Letters, 2004 , vol. 14, # 2 p. 325 - 328