29894
The structure of the MCBP ( BA - tepa ) was confirmed by proton nuclear magnetic resonance spectroscopy ( 1H - NMR ) and Fourier transform infrared spectroscopy ( FT - IR ) .
 1H
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 1H