Nicotinamide derivatives useful as PDE4 inhibitors

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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C514S350000, C546S272700, C546S275400, C546S298000

Reexamination Certificate

active

07056934

ABSTRACT:
This invention relates to nicotinamide derivatives of general formula (I):in which R1, R2and R3have the meanings defined herein, and to processes for the preparation of, intermediates used in the preparation of, compositions containing and the uses of such derivatives.

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