Antiviral analogs

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C514S042000, C514S045000, C514S049000, C514S263100, C514S269000, C536S027100, C536S028100, C534S767000, C544S264000

Reexamination Certificate

active

07432272

ABSTRACT:
The application relates to 4′-substituted nucleoside derivatives of Formula I:wherein B and R1have any of the values described in the application, as well as to compositions comprising such compounds, to methods and intermediates useful for preparing such compounds, and to therapeutic methods comprising administering such compounds to animals in need thereof.

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Kim, Choung

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