参考文献:
Adams, Jerry L. Boehm, Jeffrey C. Kassis, Shouki Gorycki, Peter D. Webb, Edward F. Hall, Ralph Sorenson, Margaret Lee, John C. Ayrton, Andrew Griswold, Don E. Gallagher, Timothy F. Bioorganic and Medicinal Chemistry Letters, 998 , vol. 8, # 22 p. - 6