Pyrro[1,2- b ]pyridazinone intermediates

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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C564S081000

Reexamination Certificate

active

07842838

ABSTRACT:
The invention is directed to pyrro[1,2-b]pyridazinone compounds and pharmaceutical compositions containing such compounds that are useful in treating infections by hepatitis C virus.

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