Engers, Darren W.; Niswender, Colleen M.; Weaver, C. David; Jadhav, Satyawan; Menon, Usha N.; Zamorano, Rocio; Conn, P. Jeffrey; Lindsley, Craig W.; Hopkins, Corey R.
Journal of Medicinal Chemistry, 2009 , vol. 52, # 14 p. 4115 - 4118

Kiselyov, Alexander S.
Tetrahedron Letters, 2005 , vol. 46, # 13 p. 2279 - 2282