10533
These simpler substrates were found to undergo mesitylation by using hydrogen chloride / formic acid via the intermediate chloromethylfurfural .
 hydrogen chloride, formic acid, chloromethylfurfural
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 hydrogen chloride, formic acid, chloromethylfurfural