11663
Discovery and evaluation of novel inhibitors of mycobacterium protein tyrosine phosphatase B from the 6 - Hydroxy - benzofuran - 5 - carboxylic acid scaffold .
 tyrosine, 6 - Hydroxy - benzofuran - 5 - carboxylic acid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 tyrosine, 6 - Hydroxy - benzofuran - 5 - carboxylic acid