參考文獻:
Zarrinmayeh, Hamideh Nunes, Anne M. Ornstein, Paul L. Zimmerman, Dennis M. Arnold, M. Brian Schober, Douglas A. Gackenheimer, Susan L. Bruns, Robert F. Hipskind, Philip A. Britton, Thomas C. Cantrell, Buddy E. Gehlert, Donald R. Journal of Medicinal Chemistry, 1998 , vol. 41, # 15 p. 2709 - 2719