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cas no:82419-31-6||chemical formula:c12h7f2no4||molecular weight:267.18781||exact mass:267.03431||9,10-difluoro-7-oxo-2,3-dihydro-7h-[1,4]oxazino[2,3,4-ij]quino……

cas no:82419-46-3||chemical formula:c17h18fn3o4||molecular weight:347.34640||exact mass:347.12813||9-fluoro-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7h-[1,……

cas no:n/a||chemical formula:c20h24fn3o4||molecular weight:389.42740 ||exact mass:389.17508||ethyl9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydr……

cas no:n/a||chemical formula:c16h18fn3o4||molecular weight:335.33540 ||exact mass:335.12813||9-fluoro-3-methyl-10-((2-(methylamino)ethyl)amino)-7-oxo-2,3-dihydr……

cas no:82419-50-9||chemical formula:c16h16fn3o4||molecular weight:333.31940||exact mass:333.11248||9-fluoro-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7h-[1,4]oxazin……

cas no:123155-82-8||chemical formula:c17h20fn3o2||molecular weight:317.36440||exact mass:317.15396||（rs）9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-2,3-dihydr……

cas no:95848-94-5||chemical formula:c18h21n3o4||molecular weight:343.38300||exact mass:343.15321||3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7h-[1,4……

cas no:n/a||chemical formula:c17h18fn3o4 ||molecular weight:347.34640||exact mass:347.12813||(rs)-9-fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7h-[1,……

cas no:n/a||chemical formula:c18h20fn3o5||molecular weight:377.37240||exact mass:377.13870||4-(6-carboxy-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7h-[1,4]oxazino[2,3……