N-(Aryloxyalkyl)-N'-(aminoalkyl)ureas and thioureas having the formula: ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen, loweralkyl, cycloalkyl, phenyl or phenyllower alkyl, and R.sup.3 and R.sup.4 are hydrogen, loweralkyl, phenyl and phenylalkyl or R.sup.3 and R.sup.4 taken together with the adjacent nitrogen form a heterocyclic residue are disclosed in a method of suppressing cardiac arrhythmias.
公开了一种抑制心律失常的方法,其中具有以下式子的具有N-(芳氧基烷基)-N'-(
氨基烷基)
脲和
硫脲:##STR1## 其中R.sup.1和R.sup.2是氢,低碳基,环烷基,苯基或苯基低碳基,R.sup.3和R.sup.4是氢,低碳基,苯基和苯基烷基或R.sup.3和R.sup.4与相邻的氮一起形成杂环残基。