硫酸

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

2',4'-二氯-5'-氟苯乙酮

methyl 3-cyclopropylamino-2-(2,4-dichloro-5-fluorobenzoyl)acrylate

2,4-二氯-5-氟-Β-氧代苯丙酸乙酯