Fused tricyclic compounds as inhibitors of...

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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C540S466000

Reexamination Certificate

active

07417040

ABSTRACT:
Disclosed are fused tricyclic compounds of the following formula I,or an enantiomer, diastereomer, tautomer or pharmaceutically acceptable salt thereof. The disclosed compounds are useful as inhibitors of 17β-hydroxysteriod dehydrogenase 3 (17βHSD3). Also disclosed are methods of using such compounds in the treatment of hormone sensitive diseases such as prostate cancer and pharmaceutical compositions comprising such compounds.

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