20588
[ J . Phys . Chem . A , 2004 , 108 , 7093 ] , as well as offer high - resolution predictions for laboratory and astronomical detection of hydroxymethyl radical in the millimeter - wave region .
 hydroxymethyl
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 hydroxymethyl