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Nitroaromatic compounds , including 1 , 3 - benzothiazin - 4 - ones ( BTZs ) and related agents , are a promising new class for the treatment of TB .
 Chemical: Nitroaromatic; Chemical: 1 , 3 - benzothiazin - 4 - ones; Chemical: BTZs
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: Nitroaromatic; Chemical: 1 , 3 - benzothiazin - 4 - ones; Chemical: BTZs