Thiourea derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...

Reexamination Certificate

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C544S395000, C544S396000

Reexamination Certificate

active

07897764

ABSTRACT:
Thiourea compounds of the following formula:wherein n, R1, R2, R3, A1, A2, X, Y, and Z are defined herein. Also disclosed is a method of treating hepatitis C virus infection with these compounds.

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