Retinoid derivatives and methods for producing said...

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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C564S169000, C564S217000, C546S095000, C514S294000, C514S478000, C514S490000, C514S492000, C514S502000, C514S513000, C514S419000, C514S381000

Reexamination Certificate

active

10239001

ABSTRACT:
The present invention relates to a novel retinoid derivative compound represented by the formula I:wherein X, R1, R2and R3are as defined herein or pharmaceutically acceptalbe salts thereof. Also, the present invention relates to processes for producing the compound of the formula I and to an anti-cancer composition comprising the compound of the formula I. The compound of the formula I according to the present invention exerts high anti-cancer effects while not causing undesirable side effects.

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