6164-79-0
吡嗪-2-羧酸甲酯
→
~72%
23611-75-8
6-氯-2-吡嗪甲酸甲酯
770-00-3
methylester of pyrazinecarboxylic acid 4-oxide
~67%
27825-21-4
3-氯吡嗪-2-羧酸甲酯
+
85661-24-1
2-Methoxycarbonylpyrazine 1-Oxide