73198-31-9
methyl 6-amino-5-cyano-3-methylpyrazine-2-carboxylate
→
~84%
17890-82-3
2-氨基-3-氰基-5-甲基吡嗪
74290-65-6
2-氨基-3-溴-5-甲基吡嗪
~80%
820250-28-0
3-amino-6-methyl-pyrazine-2-carboxylic acid amide
73198-27-3
2-Amino-6-(carbomethoxy)-3-cyano-5-methylpyrazine 1-oxide