14559
Finally , since all the products are new , characterizations were carried out using common analytic procedures ( 1H , 11B , and 13C NMR , FAB + MS , HRMS , and IR ) .
 1H, 11B, 13C
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 1H, 11B, 13C