Condensed polycyclic compounds

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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C544S344000

Reexamination Certificate

active

07153859

ABSTRACT:
The present invention provides a novel a condensed polycyclic compound useful as a phosphodiesterase 4 inhibitor, which is shown by the formula [I]:or a pharmaceutically acceptable salt thereof and a pharmaceutical composition containing the same.

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