611-10-9
2-氧代环戊羧酸乙酯
→
~90%
42593-12-4
ethyl 1-chloro-2-oxocyclopentane-1-carboxylate
1191-95-3
环丁酮
+
515-84-4
三氯乙酸乙酯
42593-09-9
Ethyl 2-acetoxy-1-cyclopentene-1-carboxylate