5411-58-5
二草氨酸乙酯乙酯
+
925-90-6
乙基溴化镁
→
~69%
69016-02-0
N,N-diethyl-2-oxobutanamide
4437-51-8
3,4-己二酮
14288-05-2
N,N,N',N'-tetraethyloxamide