This invention is concerned with novel compounds represented by structural formula I ##STR1## where X and Y are independently hydrogen, chloro, fluoro, bromo, iodo, or trifluoromethyl and n is 0, 1 or 2; R is hydrogen, fluoro, chloro, bromo, iodo, or trifluoromethyl, methyl, or methoxy; and the racemates, mixtures of enantiomers, individual diastereomers or individual enantiomers with all isomeric forms and pharmaceutically acceptable salts, hydrates or crystal forms thereof, which are antiarrhythmic agents.
本发明涉及由结构式I表示的新化合物 ##STR1## 其中X和Y独立地为氢、
氯、
氟、
溴、
碘或三
氟甲基,n为0、1或2;R为氢、
氟、
氯、
溴、
碘或三
氟甲基、甲基或甲氧基;以及具有所有同分异构体形式和药学上可接受的盐、
水合物或晶体形式的外消旋体、对映体混合物、单独的对映异构体或单独的对映体,其为抗心律失常剂。