3,4-disubstituted coumarin and quinolone compounds

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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C514S457000, C514S256000, C514S367000, C514S365000, C544S330000, C544S331000, C548S152000, C549S283000

Reexamination Certificate

active

08048889

ABSTRACT:
The present invention relates to 3,4-disubstituted coumarin and quinolone derivatives and processes for their preparation. The invention also related to methods for treating infection of Hepatitis C virus by administering a 3,4-disubstituted coumarin or quinolone derivative.

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patent: WO 2005/068450 (2005-07-01), None
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