Substituted hydrazones as inhibitors of cyclooxygenase-2

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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C514S438000, C514S471000, C514S602000, C514S603000, C548S503000, C549S074000, C549S492000, C564S085000, C564S086000

Reexamination Certificate

active

07122571

ABSTRACT:
Compounds useful as inhibitors of cyclooxygenase-2 activity have the formulae I or Ia:wherein: Q1, Q2, n, m, X, Y and R are as defined herein.

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