Compounds of structural formula: ##STR1## wherein Ar is an aromatic ring, B is a cyclic moiety fused to Ar of 5-7 members and Q is a nitrogen containing heterocycle, are antiarrhythmic agents.
结构式化合物:##STR1## 其中 Ar 是芳香环,B 是与 Ar 融合的含有 5-7 个成员的环状基团,Q 是含氮杂环,是
抗心律失常药物。