27915
Fluorimetric enzyme inhibition assays were used to determine the inhibitory activities of these probes toward P450s 1A1 , 1A2 , 1B1 , 2A6 , and 2B1 .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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