Laurin, Patrick; Ferroud, Didier; Schio, Laurent; Klich, Michael; Dupuis-Hamelin, Claudine; Mauvais, Pascale; Lassaigne, Patrice; Bonnefoy, Alain; Musicki, Branislav Bioorganic and Medicinal Chemistry Letters, 1999, vol. 9, # 19 p. 2875 - 2880 doi: 10.1016/S0960-894X(99)00492-8