SEARCH Articles Figures Tables 2- Chloro-3-hydroxy-5-methylpyrazine 2-Amino-3-chloro-5-methylpyrazine 2-Amino-6-chloro-3-cyano-5-methylpyrazine 2-Chloro-3 -methylpyrazines 2-Chloro-3-isobutyl-6-methylpyrazine 2-Chloro-3-isobutyl-6-methylpyrazine 1 oxide 2-Chloro-3-methylpyrazine chlorination 2-Chloro-3-methylpyrazine hydrolysis 2-Chloro-3-methylpyrazine oxidation 2-Methylpyrazine 3-Chloro-5-methylpyrazine 1-oxide Methylpyrazines