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?? ???? >1-(2,4-Difluorophenyl)-6-fluoro-1,4-dihydro-5-methyl-4-oxo-7-(1-piperazinyl)quinoline-3-carboxylic acid
1-(2,4-Difluorophenyl)-6-fluoro-1,4-dihydro-5-methyl-4-oxo-7-(1-piperazinyl)quinoline-3-carboxylic acid
1-(2,4-Difluorophenyl)-6-fluoro-1,4-dihydro-5-methyl-4-oxo-7-(1-piperazinyl)quinoline-3-carboxylic acid ??
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1-(2,4-Difluorophenyl)-6-fluoro-1,4-dihydro-5-methyl-4-oxo-7-(1-piperazinyl)quinoline-3-carboxylic acid C??? ??, ??, ??
1-(2,4-Difluorophenyl)-6-fluoro-1,4-dihydro-5-methyl-4-oxo-7-(1-piperazinyl)quinoline-3-carboxylic acid ?? ?? ? ???
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1-(2,4-Difluorophenyl)-6-fluoro-1,4-dihydro-5-methyl-4-oxo-7-(1-piperazinyl)quinoline-3-carboxylic acid ?? ??
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