11439
In the present study , the extent to which six substituted quercetin derivatives ( 1 - 6 ) affected the function of OATP1B1 and OATP1B3 was investigated .
 Chemical: quercetin
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: quercetin