环丙基萘啶羧酸乙酯

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

7-氯-1-(2,4-二氟苯基)-6-氟-4-氧代-1,4-二氢-1,8-萘啶-3-羧酸乙酯

1-叔丁基-6-氟-4-氧代-7-哌嗪-1-基-1,8-萘啶-3-羧酸

ethyl 7-chloro-6-fluoro-1-(2-hydroxyethyl)-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate