Hayler, Judy; Kane, Peter D.; Legrand, Darren; Lugrin, Florence; Menear, Keith; Price, Richard; Allen, Mark; Cockcroft, Xiaoling; Ambler, John; Butler, Keith; Dunnet, Karren; Mitchelson, Andrew; Talbot, Mark; Tweed, Morris; Wills, Nicholas Bioorganic and Medicinal Chemistry Letters, 2000, vol. 10, # 14 p. 1567 - 1570 doi: 10.1016/S0960-894X(00)00283-3