25391
Myricetin ( 3 , 3 ' , 4 ' , 5 , 5 ' , 7 - hexahydroxyflavone ) was the most potent inhibitor of pols amongst the compounds tested , with IC50 values of 21 . 3 - 40 . 9 mu M .
 Chemical: Myricetin; Chemical: 3 , 3 ' , 4 ' , 5 , 5 ' , 7 - hexahydroxyflavone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: Myricetin; Chemical: 3 , 3 ' , 4 ' , 5 , 5 ' , 7 - hexahydroxyflavone