20454
Five novel non - peptide inhibitors were identified and revealed moderate inhibitory potencies with IC50 ranged from 4 . 62 +/- 0 . 39 to 9 . 47 +/- 0 . 71 mu M .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None