參考文獻:
Khim, Seock-Kyu Bauman, John Evans, Jarred Freeman, Beverly King, Beverly Kirkland, Thomas Kochanny, Monica Lentz, Dao Liang, Amy Mendoza, Lisa Phillips, Gary Tseng, Jih-Lie Wei, Robert G. Ye, Hong Yu, Limei Parkinson, John Guilford, William J. Bioorganic and Medicinal Chemistry Letters, 2008 , vol. 18, # 14 p. 3895 - 3898