Brooks, Gerald; Burgess, Wendy; Colthurst, David; Hinks, Jeremy D.; Hunt, Eric; Pearson, Michael J.; Shea, Burdena; Takle, Andrew K.; Wilson, Jennifer M.; Woodnutt, Gary Bioorganic and Medicinal Chemistry, 2001, vol. 9, # 5 p. 1221 - 1231 doi: 10.1016/S0968-0896(00)00338-2