8861
To find out which metabolites in serum are effective for the diagnosis of MS , we utilized metabolic profiling using proton nuclear magnetic resonance spectroscopy ( ( 1 ) H - NMR ) .
 Chemical: ( 1 ) H
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: ( 1 ) H