9844
The antioxidant activity of these thiosemicarbazones was evaluated in vitro and in vivo , and it ' s shown that some of these compounds had significant antioxidant activity .
 Chemical: thiosemicarbazones
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: thiosemicarbazones