6-Alkoxy-pyrido-pyrimidines

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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Details

C544S279000, C546S122000

Reexamination Certificate

active

07320987

ABSTRACT:
The present invention provides compounds of the Formula I:wherein R1is alkyl, cycloalkyl, cycloalkylalkyl, or —CH2-alkenyl, X1is O, NH, N(alkyl), S or —C(═O), Z is N or CH; and R2and R3are as defined herein, pharmaceutical compositions comprising same, and methods for their use.

REFERENCES:
patent: 6150359 (2000-11-01), Barvian et al.
patent: 6316464 (2001-11-01), Cheng et al.
patent: 6451804 (2002-09-01), Dunn et al.
patent: 6506749 (2003-01-01), Chen et al.
patent: 6518276 (2003-02-01), Arzeno et al.
patent: 6809199 (2004-10-01), Doherty et al.

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