120-92-3
环戊酮
+
95-92-1
乙二酸二乙酯
→
~65%
39163-39-8
ethyl 2-oxo-2-(2-oxocyclopentyl)acetate
141-52-6
乙醇钠
617-37-8
2-乙氧基-2-氧代乙酸