Composition for treating or preventing arrhythmia

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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C514S369000, C548S183000, C548S226000, C548S227000, C548S369400

Reexamination Certificate

active

06924301

ABSTRACT:
A composition for treating or preventing arrhythmia containing as an active ingredient a cPLA2inhibitor, for example a compound represented by formula (I):wherein R1is optionally substituted aralkyl or the like; Z is —S— or the like; X1is —(CH2)s-N(R18)—CO— (wherein R18is hydrogen atom or the like, s is an integer of 0 to 3) or the like; X2is optionally substituted arylene or the like; X3is a bond or the like; A, B, and E are each independently oxygen atom or sulfur atom; D is hydrogen atom or the like; Y1is —(CH2)mCO— (m is an integer of 0 to 3) or the like; Y2is optionally substituted aryl or the like.

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