參考文獻:
Offermann, Daniel A. McKendrick, John E. Sejberg, Jimmy J. P. Mo, Bingli Holdom, Mary D. Helm, Birgit A. Leatherbarrow, Robin J. Beavil, Andrew J. Sutton, Brian J. Spivey, Alan C. Journal of Organic Chemistry, 2012 , vol. 77, # 7 p. 3197 - 3214