25117-86-6
diethyl 2-diazosuccinate
+
64-19-7
乙酸
→
7554-25-8
diethyl 2-acetyloxybutanedioate
108-56-5
草酰乙酸二乙酯
10024-90-5
3-甲基-4-甲氧基苯乙酮