Design of New Types of Antitumor Nucleosides (A. Matsuda et al.). Lithiation Chemistry of Uridine Derivatives (H. Tanaka et al.). A Synthesis of 2'Fluoro and 3'FluoroSubstituted Purine Nucleosides via a Direct Approach (K.W. Pankiewicz, K.A. Wantanabe). Allenols Derived from...