ethyl 2-[2-(2,4-difluorophenylamino)-5-fluoro-6-methoxynicotinoyl]acetate

2-(2,6-二氯-5-氟烟酰基)-3-((2,4-二氟苯基)氨基)丙烯酸乙酯

2,6-二氯-5-氟烟酰乙酸乙酯

2,6-二氯-5-氟代烟酰氯

2,6-二氯-5-氟烟酸