参考文献

Olsen, Jacob; Seiler, Paul; Wagner, Bjoern; Fischer, Holger; Tschopp, Thomas; Obst-Sander, Ulrike; Banner, David W.; Kansy, Manfred; Mueller, Klaus; Diederich, Francois Organic and Biomolecular Chemistry, 2004 , vol. 2, # 9 p. 1339 - 1352