Protein tyrosine kinase enzyme inhibitors

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C514S313000

Reexamination Certificate

active

07982043

ABSTRACT:
This invention provides compounds of formula 1, having the structurewherein R1, R2, R3, R4, and R5are described within the specification.

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