Indoline derivatives

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

C514S339000, C546S277700, C548S454000, C548S455000, C548S466000

Reexamination Certificate

active

11378851

ABSTRACT:
This invention relates to substituted indoline derivative compounds which are antagonists of the progesterone receptor, their preparation and pharmaceutical utility, particularly including contraception and treatment of benign or malignant neoplastic diseases, having the general structure:wherein R1and R2may be single substituents or fused to form spirocyclic rings.

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