15004
The kinetic studies showed that one of the most active analogues 8 ( IC50 = 0 . 09 mu M , AChE ) acted as a non - competitive AChE inhibitor and was characterized by the high selectivity index ( 300 ) .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None