SEARCH Articles Figures Tables 2- -3-methylpyrazine oxidation 2- Methylpyrazine 1-oxide 2-Chloromethyl-5-methylpyrazine 2-Chloromethyl-5-methylpyrazine oxidation 2-Methylpyrazine Chloromethyl Chloromethyl oxidation Chloromethylated Chloromethylation Methylpyrazines