| 摘要 |
Nucleoside and nucleotide analogs corresponding to structural Formula I, below, are disclosed, in that structural formula, B is a <IMAGE> I purine base attached at the 9-position or pyrimidine base, attached at the 1-position R is hydrogen or PO3=M+2, where M+2 is a mono- or divalent cation, and R1 is hydrogen or hydroxyl.
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