Hepatitis C virus inhibitors

Chemistry: natural resins or derivatives; peptides or proteins; – Peptides of 3 to 100 amino acid residues – Synthesis of peptides

Reexamination Certificate

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Reexamination Certificate

active

07132504

ABSTRACT:
Compounds are disclosed having the general formula:wherein R1, R2, R3, R4, R′, B, Y and X are described in the description. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.

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