Jacobsen, E. Jon; Stelzer, Lindsay S.; Belonga, Kenneth L.; Carter, Donald B.; Im, Wha Bin; Sethy, Vimala H.; Tang, Andrew H.; Von Voigtlander, Philip F.; Petke, James D. Journal of Medicinal Chemistry, 1996 , vol. 39, # 19 p. 3820 - 3836