參考文獻:
Percec, Virgil Holerca, Marian N. Nummelin, Sami Morrison, John J. Glodde, Martin Smidrkal, Jan Peterca, Mihai Rosen, Brad M. Uchida, Satoshi Balagurusamy, Venkatachalapathy S. K. Sienkowska, Monika J. Heiney, Paul A. Chemistry - A European Journal, 2006 , vol. 12, # 24 p. 6216 - 6241