918907-42-3
ethyl 2-(4-fluoroanilino)pyridine-3-carboxylate
→
~98%
57978-51-5
2-(4-Fluoroanilino)nicotinic acid
2942-59-8
2-氯烟酸
+
371-40-4
4-氟苯胺
~90%
1452-94-4
2-氯烟酸乙酯