1-(6-Amino-3,5-difluoropyridin-2-yl)-6,7-difluoro-8-methyl-4-oxo-1,4-dihydroquinolin-3-carboxylic acid
1-(6-amino-3,5-difluoropyridin-2-yl)-6,7-difluoro-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
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189281-24-1
189280-68-0