20975
Accumulation of macrolones ranged from 0 to 5 . 5 - fold higher than the standard macrolide azithromycin .
 macrolones, macrolide, azithromycin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 macrolones, macrolide, azithromycin