Certain compounds in which a carbon atom of a pyrrolidine or piperidine ring is bonded directly or through a methylene group to the completely substituted nitrogen of a substituted benzamido group, and their pharmaceutically acceptable salts, are active antiarrhythmic agents.
                            某些化合物中,
吡咯烷或
哌嗪环中的碳原子直接或通过亚甲基基团与取代苯甲酰胺基团的完全取代氮原子结合,以及它们的药物可接受的盐,是有效的
抗心律失常药物。