23921
An easy process for allylation and benzylation of different carbon materials , primarily of glassy carbon , in acetonitrile solutions containing tetraalkyammonium salts is described .
 carbon, glassy carbon, acetonitrile, tetraalkyammonium
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 carbon, glassy carbon, acetonitrile, tetraalkyammonium