627-10-1
2-碘-1-乙醇乙酸酯
+
10472-24-9
2-氧代环戊烷羧酸甲酯
→
~98%
54460-31-0
methyl 1-(2-acetyloxyethyl)-2-oxocyclopentane-1-carboxylate
927-68-4
2-溴乙基乙酸酯
~72%