24565
4 . At a substrate concentration of 20 micro M , the most active HFC glucuronidation catalysts were UGT1A10 followed by UGT1A6 > UGT1A7 > UGT2A1 , whereas at 300 micro M UGT1A6 was about 10 times better catalyst than the other recombinant UGTs .
 Chemical: HFC
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: HFC