參考文獻:
Liu, Mei Wang, Sanyi Clampit, Jill E. Gum, Rebecca J. Haasch, Deanna L. Rondinone, Cristina M. Trevillyan, James M. Abad-Zapatero, Cele Fry, Elizabeth H. Sham, Hing L. Liu, Gang Bioorganic and Medicinal Chemistry Letters, 2007 , vol. 17, # 3 p. 668 - 672