A composition for treating or preventing arrhythmia containing as an active ingredient a cPLA2 inhibitor, for example a compound represented by formula (I):
wherein R1 is optionally substituted aralkyl or the like; Z is -S- or the like; X1 is -(CH2)s-N(R18)-CO- (wherein R18 is hydrogen atom or the like, s is an integer of 0 to 3) or the like; X2 is optionally substituted arylene or the like; X3 is a bond or the like; A, B, and E are each independently oxygen atom or sulfur atom; D is hydrogen atom or the like; Y1 is -(CH2)mCO- (m is an integer of 0 to 3) or the like; Y2 is optionally substituted aryl or the like.
一种治疗或预防心律失常的组合物,其活性成分含有 cP
LA2
抑制剂,例如由式 (I) 代表的化合物:
其中 R1 是任选取代的芳烷基或类似物; Z 是-S-或类似物; X1 是-(
CH2)s-N(R18)-CO-(其中 R18 是氢原子或类似物,s 是 0 至 3 的整数)或类似物; X2 是任选取代的芳烯或类似物;X3是键或类似物;A、B和E各自独立地是氧原子或
硫原子;D是氢原子或类似物;Y1是-( )mCO- (m是0至3的整数)或类似物;Y2是任选取代的芳基或类似物。