参考文献

Waengler, Bjoern; Beck, Carmen; Wagner-Utermann, Ulrike; Schirrmacher, Esther; Bauer, Claudia; Roesch, Frank; Schirrmacher, Ralf; Eisenhut, Michael Tetrahedron Letters, 2006 , vol. 47, # 33 p. 5985 - 5988