Sall, Daniel J.; Arfsten, Ann E.; Berry, Dennis R.; Denney, Michael L.; Harms, Cathy S.; McCowan, Jefferson R.; Ray, Judith K.; Scarborough, Robert M.; Um, Suzane L.; Utterback, Barbara G.; Jakubowski, Joseph A. Bioorganic and Medicinal Chemistry Letters, 1996 , vol. 6, # 1 p. 81 - 86