1353275-75-8
→
~87%
660-47-9
ethyl 4-fluoro-3-hydroxybutanoate
64-17-5
乙醇
+
1537-89-9
3-Hydroxy-4-fluor-butyronitril
~74%
111218-58-7
ethyl 4-chloro-4-fluoro-3-oxobutanoate