2,4-二氯-5-氟-Β-氧代苯丙酸乙酯

2-(2,4-二氯-5-氟-苯甲酰基)-丙二酸二乙酯

2-(2,4-二氯-5-氟苯甲酰基)-3-乙氧基丙烯酸乙酯

ethyl 7-amino-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate