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Cyfluthrin also increased the clearance of the antipyrine metabolites , norantipyrine , 4 - hydroxyantipyrine and 3 - hydroxymethylantipyrine and the formation rate constants for each of the three metabolites measured in urine .
 Chemical: Cyfluthrin; Chemical: antipyrine; Chemical: norantipyrine; Chemical: 4 - hydroxyantipyrine; Chemical: 3 - hydroxymethylantipyrine
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: Cyfluthrin; Chemical: antipyrine; Chemical: norantipyrine; Chemical: 4 - hydroxyantipyrine; Chemical: 3 - hydroxymethylantipyrine