Abbott, Lily; Betschmann, Patrick; Burchat, Andrew; Calderwood, David J.; Davis, Heather; Hrnciar, Peter; Hirst, Gavin C.; Li, Biqin; Morytko, Michael; Mullen, Kelly; Yang, Bryant Bioorganic and Medicinal Chemistry Letters, 2007 , vol. 17, # 5 p. 1167 - 1171