参考文献:
Rosen, Brad M. Wilson, Daniela A. Wilson, Christopher J. Peterca, Mihai Won, Betty C. Huang, Chenghong Lipski, Linda R. Zeng, Xiangbing Ungar, Goran Heiney, Paul A. Percec, Virgil Journal of the American Chemical Society, 29 , vol. 11, # 7 p. 175 - 17521