Phosphodiesterase 4 inhibitors, including aminoindazole and...

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

Reexamination Certificate

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C548S362500

Reexamination Certificate

active

07655802

ABSTRACT:
PDE4 inhibition is achieved by novel compounds, e.g., aminoindazole and aminobenzofuran analogs. The compounds of the present invention are of Formulas I and II:wherein R1, R2, R3, R4, R7and R8are as defined herein.

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