Gangjee, Aleem; Vidwans, Anup P.; Vasudevan, Anil; Queener, Sherry F.; Kisliuk, Roy L.; Cody, Vivian; Li, Ruming; Galitsky, Nikolai; Luft, Joe R.; Pangborn, Walter Journal of Medicinal Chemistry, 1998 , vol. 41, # 18 p. 3426 - 3434