Isoflavone derivatives and pharmaceutical compositions...

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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Reexamination Certificate

active

07618998

ABSTRACT:
An isoflavone derivative is provided. The isoxazole derivative has following formula:wherein R1and R2, independently, include C1-C12alkyl optionally substituted with oxirane, thiirane, aziridine, amino, cycloamino, aminohydroxy or cycloaminohydroxy, and R3includes hydrogen, hydroxy or C1-C12alkoxy optionally substituted with oxirane, thiirane, aziridine, amino, cycloamino, aminohydroxy or cycloaminohydroxy. The invention also provides a pharmaceutical composition for treatment of osteoporosis including an isoflavone derivative or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier.

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