申请人:MERCK & CO. INC.
                            
                            
                                公开号:EP0431945A2
                            
                            
                                公开(公告)日:1991-06-12
                            
                            
Compounds of structural formula:
 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.
                            结构式为
 其中 Ar 是芳香环,B 是与 Ar 融合的 5-7 个环状分子,Q 是含氮杂环。