38049-10-4
ethyl 5-oxohept-6-enoate
→
~95%
70432-50-7
Ethyl 5-oxoheptanoate
64-17-5
乙醇
3637-13-6
5-oxoheptanoic acid
+
10444-38-9
丁酸, 4-氰基-, 乙基酯
7425-53-8
4-碘-丁酸乙酯
2969-81-5
4-溴丁酸乙酯