6164-77-8
吡嗪-2,3-二羧酸 二甲酯
→
~81%
6164-78-9
2,3-吡嗪二甲酰胺
68572-99-6
dimethyl pyrazine-2,3-dicarboimidate
~15%
+
75018-17-6
methyl 3-carbamoylpyrazine-2-carboxylate
66505-29-1
3-cyanopyrazine-2-carboxamide
89-01-0
吡嗪-2,3-二羧酸
13481-25-9
2,3-二氰基吡嗪
70546-26-8
3-cyanopyrazine-2-carboxylic acid