371-40-4
4-氟苯胺
+
105-53-3
丙二酸二乙酯
→
~81%
104330-60-1
ethyl 3-(4-fluoroanilino)-3-oxopropanoate
55552-69-7
Ethylmalonoyl dichloride
36239-09-5
氯甲酰乙酸乙酯
888721-65-1
1-(4-fluorophenyl)-6-methyl-2-oxopyridine-3-carboxylic acid