10673
2 - Aminophenethyl analogs demonstrate excellent potency but moderate kinase selectivity , while 2 - aminobenzyl analogs that fill the Ala571 subpocket exhibit good inhibition activity and excellent kinase selectivity .
 Chemical: 2 - Aminophenethyl; Chemical: 2 - aminobenzyl
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: 2 - Aminophenethyl; Chemical: 2 - aminobenzyl