14264
One of the compounds Boc - Phe - Leu - Glu ( P ) ( OC ( 6 ) H ( 4 ) ) ( 2 ) displayed an apparent second - order inhibition rate value of 8540 M ( - 1 ) s ( - 1 ) .
 Boc - Phe - Leu - Glu ( P ) ( OC ( 6 ) H ( 4 ) ) ( 2 )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Boc - Phe - Leu - Glu ( P ) ( OC ( 6 ) H ( 4 ) ) ( 2 )