2-pyridyl substituted imidazoles as ALK5 and/or ALK4 inhibitors

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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C544S353000

Reexamination Certificate

active

07407958

ABSTRACT:
Compounds of the formula:wherein R1, R2, R3, A1 and A2 are as defined herein, which are used advantageously in inhibiting the TGF-β and/or activin signaling pathway in mammals.

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