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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C548S302100

Reexamination Certificate

active

08076365

ABSTRACT:
The present invention relates to compounds represented by formula (I) wherein A, B, D, E, R2, R3, R4, R5, R6, R9, a, b, d and e are as defined herein, their salt or ester and pharmaceutical compositions thereof useful in the treatment of hepatitis C viral (HCV) infection. Said compounds were found to have inhibitory activity against HCV polymerase, especially as inhibitors of HCV NS5B polymerase.

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