28349
Trimethoxy analog 4f exerted the most potent activity against HepG2 with an IC50 of 22 . 70 mu M , which is lower than the reference drug , etoposide .
 Trimethoxy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Trimethoxy