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Acehytisine hydrochloride ( previously named Guangfu base A ) was isolated from the root of Aconitum coreanum ( Levl . ) , is an anti - arrhythmic drug in phase IV clinical trial .
 Chemical: Acehytisine hydrochloride; Chemical: Guangfu base A
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Acehytisine hydrochloride; Chemical: Guangfu base A