1,2-dihydropyridine compounds, manufacturing method thereof...

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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C514S336000, C514S345000, C546S257000, C546S268100, C546S290000

Reexamination Certificate

active

07939549

ABSTRACT:
The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof.In the formula, Q indicates NH, O or S; and R1, R2, R3, R4and R5are the same as or different from each other and each indicates hydrogen atom, a halogen atom, a C1-6alkyl group or a group represented by the formula —X-A (wherein X indicates a single bond, an optionally substituted C1-6alkylene group etc.; and A indicates an optionally substituted C6-14aromatic hydrocarbocyclic group or 5- to 14-membered aromatic heterocyclic group etc.).

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