Cyclic peptides

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

Reexamination Certificate

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C530S321000

Reexamination Certificate

active

07576057

ABSTRACT:
The invention relates to novel cyclic peptide derivatives of general formula (I):wherein A, B, R1and R2are as defined in the specification, pharmaceutically acceptable salts thereof, and their use as pharmaceuticals, in particular for the treatment of hepatitis C virus.

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