参考文献
Engers, Darren W.; Gentry, Patrick R.; Williams, Richard; Bolinger, Julie D.; Weaver, C. David; Menon, Usha N.; Conn, P. Jeffrey; Lindsley, Craig W.; Niswender, Colleen M.; Hopkins, Corey R.
Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 17 p. 5175 - 5178