Provins, Laurent; Christophe, Bernard; Danhaive, Pierre; Dulieu, Jacques; Gillard, Michel; Quéré, Luc; Stebbins, Karin Bioorganic and Medicinal Chemistry Letters, 2007, vol. 17, # 11 p. 3077 - 3080 doi: 10.1016/j.bmcl.2007.03.047