SEARCH Articles Figures Tables 2- -3-methylpyrazine oxidation 2- Methylpyrazine 1-oxide 2-Chloro-3-isobutyl-6-methylpyrazine 1 oxide 2-Chloro-3-methylpyrazine 2-Chloro-3-methylpyrazine oxidation 2-Chloro-3-methylpyrazine oxidation 2-Methylpyrazine Methylpyrazines