41110-33-2
5-甲基吡嗪-2-羧酸甲酯
→
~72%
74416-38-9
methyl 5-methyl-4-oxidopyrazin-4-ium-2-carboxylate
67-56-1
甲醇
+
51037-30-0
阿西莫司
51037-25-3
5-methyl-4-oxidopyrazin-4-ium-2-carboxamide
5521-57-3
5-甲基吡嗪-2-羧酰胺
83056-59-1
2-嘧啶胺,5-(氯甲基)-