10683
Some of these compounds showed an interesting activity as STAT3 selective inhibitors ; in particular , compounds 9a 9b and 9c revealed to inhibit the STAT3 activation for the 50 % , 90 % and 95 % , respectively .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None