58901-52-3
N-(triphenylphosphoranylidene)acetamide
+
609-09-6
酮基丙二酸二乙酯
→
~72%
81357-07-5
diethyl 2-acetyliminopropanedioate
81918-04-9
diethyl α-acetamido-α-bromomalonate
3377-20-6
甲撑丙二酸二乙酯
1068-90-2
乙酰胺基丙二酸二乙酯