Huddleston, Patrick R.; Barker, John M.; Stickland, Barbara; Wood, Michael L.; Guindi, Laila H. M.
Journal of Chemical Research, Miniprint, 1988 , # 8 p. 1871 - 1890
Sing, Wan Theng; Lee, Cheng Leng; Yeo, Su Ling; Lim, Siew Pheng; Sim, Mui Mui
Bioorganic and Medicinal Chemistry Letters, 2001 , vol. 11, # 2 p. 91 - 94