79-37-8
草酰氯
+
25808-30-4
甲氨基乙腈盐酸盐
→
~61%
87486-33-7
3,5-二氯-1-甲基吡嗪-2(1H)-酮
87486-42-8
5-chloro-1,4-dimethylpyrazine-2,3-dione