4098
In the first group , APs were recorded after cumulative addition of amitriptyline ( 1 mu M , 10 mu M and 50 mu M ) .
 Chemical: amitriptyline
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: amitriptyline