SEARCH Articles Figures Tables 2- Amino-3-carbamoyl-5-methylpyrazine 2-Amino-3-chloro-5-methylpyrazine 2-Amino-3-cyano-5- methylpyrazine 2-Amino-3-cyano-5- methylpyrazine 1-oxide chloride 2-Amino-3-cyano-5-methylpyrazine 1,4-dioxide 2-Amino-3-cyano-6-hydroxy-5-methylpyrazine 1-oxide 2-Amino-3-cyano-6-methylpyrazine 1-oxide 2-Amino-3-cyano-6-methylpyrazine 1-oxide deoxygenation 2-Amino-3-hydroxy-5-methylpyrazine 2-Amino-3-methylpyrazine chloride 2-Amino-5- -3-methylpyrazine 1-oxide 2-Amino-5-chloromethyl-3-cyano-6-methylpyrazine 1-oxide 2-Amino-6-chloro-3-cyano-5-methylpyrazine 2-Methylpyrazine 3- Amino-2-cyano-5-methoxy-6-methylpyrazine 1-oxide 5-Amino-3-methoxy-2-methylpyrazine Methylpyrazines