62457-60-7
Ethyl 2-(3-oxocyclopentyl)acetate
+
107-21-1
乙二醇
→
~88%
93306-08-2
ethyl 2-(1,4-dioxaspiro[4.4]nonan-8-yl)acetate
3128-05-0
3-氧代-环戊烷乙酸
122-51-0
原甲酸三乙酯
~44%