| 摘要 |
Disclosed are polymeric compounds which are useful as prodrugs, comprising a chain of monomeric nucleosides, nucleoside analogs or abasic nucleosides, wherein at least one of the nucleosides or nucleoside analogs or a heterocyclic derivative thereof is pharmaceutically active and the nucleosides, nucleoside analogs or abasic nucleosides are linked by a phosphodiester group, a phosphorothioate group or an H—, alkyl or alkenyl phosphonate group.
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