623-73-4
重氮乙酸乙酯
+
626-96-0
4-戊酮醛
→
~83%
88459-81-8
ethyl 3,6-dioxoheptanoate
35116-07-5
ethyl 3-oxo-6-heptyneoate
~79%
88459-80-7
ethyl 2-(5-methyl-3H-furan-2-ylidene)acetate
37517-78-5
丙二酸单乙酯镁
123-76-2
乙酰丙酸
~47%