~99%
参考文献:
Goodman, Krista B. Bury, Michael J. Cheung, Mui Cichy-Knight, Maria A. Dowdell, Sarah E. Dunn, Allison K. Lee, Dennis Lieby, Jeffrey A. Moore, Michael L. Scherzer, Daryl A. Sha, Deyou Suarez, Dominic P. Murphy, Dennis J. Harpel, Mark R. Manas, Eric S. McNulty, Dean E. Annan, Roland S. Matico, Rosalie E. Schwartz, Benjamin K. Trill, John J. Sweitzer, Thomas D. Wang, Da-yuan Keller, Paul M. Krawiec, John A. Jaye, Michael C. Bioorganic and Medicinal Chemistry Letters, 9 , vol. 19, # 1 p. 7 - 3