Substituted 8-[6-amino-3pyridyl]xanthines

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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Details

C514S263220, C544S118000, C544S269000, C544S310000

Reexamination Certificate

active

07875608

ABSTRACT:
The present invention provides substituted 8-[6-amino-3-pyridyl]xanthines like the compound shown in the following formula:and pharmaceutical compositions that are selective antagonists of A2Badenosine receptors (ARs). These compounds and compositions are useful as pharmaceutical agents.

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patent: 7317017 (2008-01-01), Kalla et al.
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patent: 2007/0219221 (2007-09-01), Zeng et al.
patent: 2008/0004292 (2008-01-01), Wang et al.

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