Substituted amino acids as erythropoietin mimetics

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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C514S354000, C514S355000, C514S444000, C514S471000, C514S533000, C514S535000, C514S539000, C514S562000, C514S563000, C514S567000, C514S620000, C549S487000, C549S077000, C560S039000, C560S012000, C560S013000, C560S042000, C562S444000, C562S448000, C562S430000, C562S435000, C564S157000, C546S225000, C546S316000, C546S323000

Reexamination Certificate

active

07153869

ABSTRACT:
This invention relates to a series of substitituted amino acids of Formula Ipharmaceutical compositions containing them and intermediates used in their manufacture. The compounds of the invention are small molecules which bind to the erythropoietin receptor and compete with the natural ligand for binding to this receptor.

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