参考文献:
Tasler, Stefan Mueller, Oliver Wieber, Tanja Herz, Thomas Pegoraro, Stefano Saeb, Wael Lang, Martin Krauss, Rolf Totzke, Frank Zirrgiebel, Ute Ehlert, Jan E. Kubbutat, Michael H.G. Schaechtele, Christoph Bioorganic and Medicinal Chemistry, 29 , vol. 17, # 18 p. 728 - 737