Phthalazinone derivatives

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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C514S252010, C544S237000, C548S366400

Reexamination Certificate

active

07981890

ABSTRACT:
A compound of the formula (I):wherein RHrepresents one or more optional substituents on the fused cyclohexene ring; R1is selected from H and halo; RNis selected from H and optionally substituted C1-10alkyl; and RC1and RC2are independently selected from H, R, C(═O)OR, where R is optionally substituted C1-10alkyl, optionally substituted C5-20aryl or optionally substituted C3-20heterocyclyl; RC1and RC2together with the carbon atom to which they are attached may form an optionally substituted spiro-fused C5-7carbocylic or heterocyclic ring.

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