765-43-5
环丙甲基酮
+
95-92-1
乙二酸二乙酯
→
~58%
133261-06-0
5-环丙基-1H-吡唑-3-羧酸乙酯
21080-80-8
ethyl 4-cyclopropyl-2,4-dioxobutanoate