19778
2 - Substituted - 2 - amino - 6 - boronohexanoic acids as arginase inhibitors .
 Chemical: 2 - Substituted - 2 - amino - 6 - boronohexanoic acids
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 - Substituted - 2 - amino - 6 - boronohexanoic acids