1-环丙基-6,7-二氟-4-氧代-1,4-二氢喹啉-3-羧酸乙酯

氧氟沙星

methyl 1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate

3-Cyclopropylamino-2-(2,4,5-trifluorbenzoyl)acrylsaeure-ethylester

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