76850-13-0
2-chloro-6-methylpyrazine
→
~66%
36341-34-1
6-methyl-4-oxido-1H-pyrazin-4-ium-2-one
76809-44-4
2-(hydroxylamino)acetamide hydrochloride
+
78-98-8
丙酮醛
38557-71-0
2-氯-6-甲基吡嗪