| 1 | 127294-71-7 | 5-amino-7-(3-amino-1-piperidyl)-1-cyclopropyl-6,8-difluoro-4-oxo-quino line-3-carboxylic acid | 5-amino-7-(3-amino-1-piperidyl)-1-cyclopropyl-6,8-difluoro-4-oxo-quino line-3-carboxylic acid | C18H20F2N4O3
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| 2 | | 5-Amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-7-(3-methyl-1-piperazinyl)quinoline-3-carboxylic acid | 5-Amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-7-(3-methyl-1-piperazinyl)quinoline-3-carboxylic acid | C18H20F2N4O3
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| 3 | 110236-79-8 | 司帕沙星杂质20 | 3-Quinolinecarboxylic acid, 5-amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo- | C18H20F2N4O3
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| 4 | | 5-Amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-7-[(3R)-3-methyl-1-piperazinyl]-4-oxoquinoline-3-carboxylic acid | 5-Amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-7-[(3R)-3-methyl-1-piperazinyl]-4-oxoquinoline-3-carboxylic acid | C18H20F2N4O3
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| 5 | | 6-Fluoro-1-(2-fluoro-1,1-dimethylethyl)-7-[(1R,4R)-2,5-diazabicyclo[2.2.1]heptan-2-yl]-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid | 6-Fluoro-1-(2-fluoro-1,1-dimethylethyl)-7-[(1R,4R)-2,5-diazabicyclo[2.2.1]heptan-2-yl]-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid | C18H20F2N4O3
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