24410-84-2
ethyl-(2E)-pent-2-enoate
+
1068-90-2
乙酰胺基丙二酸二乙酯
→
~82%
2446-13-1
diethyl 3-ethyl-5-oxopyrrolidine-2,2-dicarboxylate
2445-93-4
Ethyl (E)-pent-2-enoate