參考文獻:
Vara Prasad Markoski, Larry J. Boyer, Fred E. Domagala, John M. Ellsworth, Edmund L. Gajda, Christopher Hagen, Susan E. Tait, Bradley D. Lunney, Elizabeth A. Tummino, Peter J. Ferguson, Donna Holler, Tod Hupe, Donald Nouhan, Carolyn Gracheck, Stephen J. VanderRoest, Steven Saunders, James Iyer Sinz Bioorganic and Medicinal Chemistry Letters, 1999 , vol. 9, # 15 p. 2217 - 2222