Substituted benzoxazoles as estrogenic agents

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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C514S394000, C548S178000, C548S310100

Reexamination Certificate

active

07129258

ABSTRACT:
This invention provides estrogen receptor modulators of formula I, having the structurewhereinR1, R2, R2a, R3, R3a, and R4, and X as defined in the specification, or a pharmaceutically acceptable salt thereof.

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