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A reduction in myocardial necrosis was further evidenced by the tri - phenyl tetrazolium chloride ( TTC ) stain in isolated test drug pretreated rats .
 Chemical: tri - phenyl tetrazolium chloride; Chemical: TTC
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: tri - phenyl tetrazolium chloride; Chemical: TTC