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US5032604A Class III antiarrhythmic agents 失效
III类抗心律失常药

Class III antiarrhythmic agents
摘要:
Compounds of structural formula: ##STR1## wherein R' is hydrogen or an aromatic ring system, and Q is a substituted nitrogen or a nitrogen containing heterocycle, and E is --S-- or --O--, are Class III antiarrhythmic agents.
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