Hexacyclic compounds and their therapeutic use

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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C514S257000, C544S115000, C544S245000

Reexamination Certificate

active

07109195

ABSTRACT:
The present invention relates to hexacyclic compound of the formula [1],wherein Z, R3and R4are as identified therein, and pharmaceutically acceptable salts thereof. These compounds are useful in the treatment of cell proliferative disorders.

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