(untitled) - Ryono, D E; Lloyd, J; Poss, M A; Bird, J E; Buote, J; Chong, S; Dejneka, T; Dickinson, K E. J; Gu, Z; Mathers, P; Moreland, S; Morrison, R A; Petrillo, E W; Powell, J R; Schaeffer, T; Spitzmiller, E R; White, R E (Bioorg. Med. Chem. Lett., 1994)