参考文献:
Gueller, Rolf Binggeli, Alfred Breu, Volker Bur, Daniel Fischli, Walter Hirth, Georges Jenny, Christian Kansy, Manfred Montavon, Francois Mueller, Marcel Oefner, Christian Stadler, Heinz Vieira, Eric Wilhelm, Maurice Wostl, Wolfgang Maerki, Hans Peter Bioorganic and Medicinal Chemistry Letters, 999 , vol. 9, # 0 p. 40 - 408