参考文献

Palmer, Andreas Marc; Grobbel, Burkhard; Brehm, Christof; Zimmermann, Peter Jan; Buhr, Wilm; Feth, Martin Philipp; Holst, Hans Christof; Simon, Wolfgang Alexander Bioorganic and Medicinal Chemistry, 2007 , vol. 15, # 24 p. 7647 - 7660