Unangst, Paul C.; Capiris, Thomas; Connor, David T.; Heffner, Thomas G.; MacKenzie, Robert G.; Miller, Steven R.; Pugsley, Thomas A.; Wise, Lawrence D.
Journal of Medicinal Chemistry, 1997 , vol. 40, # 17 p. 2688 - 2693
Ramana, M. M. V.; Kudav, N. A.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-12 p. 339 - 341