120-92-3
环戊酮
+
95-92-1
乙二酸二乙酯
→
~90%
5932-31-0
1,4,5,6-四氢-3-环戊二烯并吡唑羧基酸乙酯
39163-39-8
ethyl 2-oxo-2-(2-oxocyclopentyl)acetate
~32%
33537-18-7
环戊基(氧代)乙酸乙酯