10663
Vernakalant ( INN ; codenamed RSD1235 , proposed tradenames Kynapid and Brinavess ) is an investigational drug under regulatory review for the acute conversion of atrial fibrillation .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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