N-(Aryloxyalkyl)-N'-(aminoalkyl)ureas and thioureas having the formula:
wherein R1 and R2 each represent a hydrogen atom or a loweralkyl, cycloalkyl, phenyl or phenyllower alkyl group, and R3 and R4 each represent a hydrogen atom or a loweralkyl, phenyl or phenylalkyl group or R3 and R4 taken together with the adjacent nitrogen form a heterocyclic residue are disclosed for use in treating cardiac arrhythmias.
N-(芳氧基烷基)-N'-(
氨基烷基)
脲和
硫脲,其式如下
其中,R1 和 R2 各自代表氢原子或低级烷基、环烷基、苯基或苯基低级烷基,R3 和 R4 各自代表氢原子或低级烷基、苯基或苯基烷基,或 R3 和 R4 与相邻的氮一起形成杂环残基。