Quinazoline derivatives useful as anti-tumor medicament

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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Details

C544S283000

Reexamination Certificate

active

08044063

ABSTRACT:
The present invention relates to quinazoline derivatives of the formula (I) useful as anti-tumor medicaments, or a pharmaceutically acceptable salt thereof, the definition of the substituents R1, R1′, R2, R2′ are as defined in the description. It also relates to a pharmaceutical composition containing same, and a method for the preparation of quinazoline derivatives of formula (I) or a pharmaceutically acceptable salt thereof.

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