307
The growth inhibitory activities of compounds 1 and 2 were assayed , and 2 showed moderate activity against U937 cell line with the IG ( 50 ) value of 82 . 85 +/- 1 . 58 micro M .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None