- N-(heteroarylalkyl)acylanilide derivatives as antiarrhythmic agents
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Compounds of the formula: STR1 wherein R1 is --alkylene'-13 NH2 or --alkylene'--A'; R2, R3 and R4 are independently hydrogen or methyl; A and A' are, independently, unsubstituted or lower alkyl or aryl substituted pyridinyl, imidazolyl, or pyrimidinyl; and when, an asymmetric carbon is present, enantiomers thereof, or racemic mixtures thereof; or pharmaceutically acceptable salts thereof, are described. These compounds are useful as antiarrhythmic agents.
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