- TETRACYCLIC INDOLE DERIVATIVES AS ANTIVIRAL AGENTS
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The present invention relates to tetracyclic indole compounds of formula (I); wherein R1, R2, A, Ar, W, X, Y and Z are defined herein, and pharmaceutically acceptable salts thereof, pharmaceutical compositions comprising them, and their use for the treatment or prevention of infection by hepatitis C virus.
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(2010/11/08)
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