Viral polymerase inhibitors

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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C514S351000, C546S268100, C546S300000

Reexamination Certificate

active

07897622

ABSTRACT:
Compounds of formula I:wherein X, R2, R3, R5and R6are defined herein, are useful as inhibitors of the hepatitis C virus NS5B polymerase.

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