4402
Of these , the ethyl acetate ( EtOAc ) fraction exhibited AR inhibitory activity ( IC ( 50 ) 0 . 15 mu g / mL ) .
 Chemical: ethyl acetate; Chemical: EtOAc
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: ethyl acetate; Chemical: EtOAc