23691
Virtual and in vitro bioassay screening of phytochemical inhibitors from flavonoids and isoflavones against xanthine oxidase and cyclooxygenase - 2 for gout treatment .
 flavonoids, isoflavones, xanthine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 flavonoids, isoflavones, xanthine